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Related Questions
explain how overproduction and the carrying capacity of an environment lead to competition in simple terms
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Answer:
Overproduction refers to a situation where a population of living organisms produces more offspring than the environment can support. Carrying capacity, on the other hand, refers to the maximum number of individuals that an environment can sustain over a certain period of time.
When the population of a species exceeds the carrying capacity of the environment, there is intense competition for the limited resources such as food, water, and shelter. This competition can occur between members of the same species (intraspecific competition) or between different species (interspecific competition).
As the competition for resources increases, some individuals may not be able to access enough resources to survive and reproduce, leading to a decline in their population. The individuals with advantageous traits that help them compete for resources will be more likely to survive and pass on their genes to the next generation.
Over time, this process of competition for resources can lead to changes in the population, such as adaptations and natural selection, that help individuals survive in the environment.
Explanation:
When there are too many animals living in an environment (overproduction) for the carrying capacity (the amount of individuals that can be supported in the environment long-term), there will not be enough resources like food, water, and shelter for everyone. This leads to competition for the limited amount of resources available.
Over time competition can lead to changes in the populations. The animals that are best adapted to the environment or are most efficient at obtaining resources will be more likely to survive and pass on their traits to their offspring. This can also lead to the evolution of a new species or adaptations within a species.
What is the name of the special proteins that let water pass through
Answers
Answer:
Aquaporins
Explanation:
AQP are integral membrane proteins that serve as channels in the transfer of water, and in some cases, small solutes across the membrane. They are conserved in bacteria, plants, and animals. Structural analyses of the molecules have revealed the presence of a pore in the center of each aquaporin molecule.
The special proteins that let water pass through them are called aquaporins.
EXPLANATIONAquaporins are "the plumbing system for cells". Water moves through cells in an organized way, most rapidly in tissues that have aquaporin water channels. For many years, scientists assumed that water leaked through the cell membrane, and some water does. However, this did not explain how water could move so quickly through some cells.
How many trees are needed to cut down to produce one ton of paper?
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Explanation:
1 ton of the same kind of newspaper needs about 12 trees to create it. 1 ream of paper (500 sheets, not recycled and newly made) uses approximately 6 percent of a tree. But, a ton of coated, paper, like the pages that are used for magazines, needs over 15 trees to produce!
Answer:
please make me brainalist and keep smiling dude and make all my answers brainalist
Explanation:
10,000 trees are needed roughly to make 1 tonne of paper.It is tonne not ton.....!!Which factor can influence chemical weathering? Select all 3 that apply.
chemicals in runoff water
wind
acid rain
plants
Answers
The amount of rainfall and the temperature can influence how quickly rocks weather and plants. The pace of chemical weathering is accelerated by high temperatures and heavier acid rain.
Rainwater reacting with mineral grains of rocks to create new minerals (clays) & soluble salts is known as chemical weathering.
Chemical weathering can take many different forms, including solution, hydration, carbonation, oxidation, reduction, & biological. Corrosion is not a form of chemical weathering, therefore. Chemical weathering can take many various forms, including hydration, hydrolysis, carbonation, oxidation, reduction, & chelation. Rust, which results from oxidation, and acid rain, which is brought on when carbonic acid dissolves rocks, are two instances of chemical weathering. Rocks and minerals break down to generate soil as a result of other chemical weathering processes like dissolution.The amount of rainfall and the temperature can influence how quickly rocks weather and plants. The pace of chemical weathering is accelerated by high temperatures and heavier acid rain.
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Hypothesis: If the mystery food is tofu, then it will react with the reagent that indicates the presence of a protein because tofu is primarily protein.
Based on the data, was Zack, who ate the tofu, guilty of leaving a mess in the classroom?
Justify your answer.
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If reagent turned purple, Zack ate tofu and was guilty of leaving a mess; otherwise, he was not guilty.
That's what the speculation expresses in the event that the secret food is tofu, it will respond with the reagent that demonstrates the presence of a protein. In light of the information, assuming that the reagent became purple subsequent to testing the secret food that Zack ate, then, at that point, it demonstrates the presence of a protein and supports the speculation that the secret food was tofu. In this manner, Zack would be at legitimate fault for leaving a wreck in the study hall on the off chance that the reagent became purple since he was the one in particular who ate tofu. Nonetheless, in the event that the reagent didn't become purple, it implies that the secret food was not tofu or didn't contain sufficient protein to be distinguished by the reagent. For this situation, Zack wouldn't be at legitimate fault for leaving a wreck in the homeroom. The end would rely upon the aftereffect of the examination and regardless of whether it upheld the speculation.
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Why does burning fossils fuels have negative consequences for the planet?
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Burning fossil fuels has negative consequences for the planet because it releases large amounts of greenhouse gases, particularly carbon dioxide, into the atmosphere.
What are greenhouse gases?
Greenhouse gases trap heat in the Earth's atmosphere, causing the planet to warm up and leading to climate change.
Climate change has far-reaching effects on the planet, including rising sea levels, more frequent and severe weather events such as heat waves, droughts, floods, and storms, and changes in the distribution and abundance of plant and animal species. These changes can lead to environmental, economic, and social impacts, such as loss of habitat, decreased agricultural productivity, and displacement of populations.
In addition, the extraction and transportation of fossil fuels can also have negative environmental impacts, such as water pollution, air pollution, and habitat destruction. The burning of coal, oil, and gas also releases other pollutants, such as sulfur dioxide, nitrogen oxides, and particulate matter, which can cause respiratory problems and other health issues in humans and wildlife.
Overall, the negative consequences of burning fossil fuels highlight the importance of transitioning to cleaner and more sustainable sources of energy, such as renewable energy sources like solar, wind, and hydropower.
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Which statement about enzymes is essential to the lock and key hypothesis ?
A. Enzyme molecules can be damaged by high temperatures
B. Enzyme molecules each have a distinct shape
C. Enzyme molecules are catalysts
D. Enzyme molecules can be damaged by high pH values
Answers
Answer:
B. Enzyme molecules each have a distinct shape.
The lock and key hypothesis suggests that enzymes have a specific three-dimensional shape that is complementary to the shape of the substrate molecule they interact with. This means that enzymes can only interact with specific substrates, just as a key can only fit into a specific lock. Therefore, the statement that "enzyme molecules each have a distinct shape" is essential to the lock and key hypothesis.
Explanation:
Answer: The essential statement that relates to the lock and key hypothesis of enzymes is B. Enzyme molecules each have a distinct shape.
Explanation: The lock and key hypothesis proposes that enzymes have a specific three-dimensional shape that allows them to bind to a specific substrate molecule in a way that is analogous to a lock and key fitting together. This hypothesis explains why enzymes are highly specific in their catalytic activity and only catalyze reactions involving specific substrates. The specific shape of the enzyme's active site is essential for the substrate to fit into the enzyme's active site and for the enzyme to catalyze the reaction. Therefore, the specificity of the enzyme-substrate interaction is essential to the lock and key hypothesis. Options A, C, and D are not essential to this hypothesis. While enzymes are catalysts and can be damaged by high temperatures or pH values, these statements do not specifically relate to the lock and key hypothesis.
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We eat the _____ and breathe in the _____ made by plants
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They exhale carbon dioxide while consuming oxygen. They act in the contrary, says Maggy Benson. They exhale one gas and inhale another at the same time, once during the day, and the reverse during the night.
What is the source of animal and plant respiration?Simply said, whereas humans breathe in oxygen and exhale carbon dioxide, plants do the opposite. Since we breathe via our mouths. Furthermore, plants have mouths. Stomata, which is Greek for "mouths," are little structures that cover the green sections of land plants. The stomata, like in photosynthesis, allow plants to absorb oxygen from the atmosphere. "Aerobic respiration" is the process of breathing while there is oxygen present in the cell's mitochondria. The two types of respiration that occur in plants are light and dark respiration. They can use solar energy to create their food once they have carbon dioxide and water. An additional gas called oxygen is a byproduct of producing plant food.To learn more about plants breathe, refer to:
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When doing medical research with human subjects which four limitations are unavoidable
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Answer:
When doing medical research with human subjects, four limitations that are unavoidable include:
Ethical considerations: Medical research involving human subjects is subject to strict ethical standards, including obtaining informed consent, ensuring the safety and welfare of the participants, and protecting their privacy and confidentiality. These ethical considerations can limit the types of studies that can be conducted and the ways in which they can be conducted.
Sample size: It may be difficult to obtain a large sample size of human subjects for a study, particularly for rare diseases or conditions. A small sample size can limit the generalizability of the study findings to the larger population.
Individual variability: Human subjects are inherently variable in their responses to treatments and interventions, due to factors such as age, sex, genetics, and environmental factors. This variability can make it difficult to draw generalizable conclusions from the study.
Time and cost: Medical research involving human subjects can be time-consuming and expensive, requiring significant resources for recruiting participants, conducting interventions, collecting and analyzing data, and ensuring the safety and welfare of the participants. This can limit the scope and duration of the study.
Explanation:
10. Ice Ages come and go.
A. How do scientists think Earth's orbit relates to an Ice Age? (2 points)
B. What is precession? (1 point)
C. How is precession related to an Ice Age? (2 points)
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Answer:
A. Scientists think that Earth's orbit can play a role in the onset of an ice age because it affects the amount of solar radiation that reaches different parts of the Earth's surface. Specifically, variations in Earth's orbit can lead to changes in the distribution of sunlight, which can influence the temperature and precipitation patterns that are necessary for the growth and retreat of glaciers.
B. Precession is a term used to describe the slow, cyclical wobbling of Earth's rotational axis. This wobbling causes the direction that the axis is pointing to slowly shift over time, completing one full cycle approximately every 26,000 years.
C. Precession is related to an ice age because it can affect the timing and intensity of the seasons, which in turn can influence the growth and retreat of glaciers. During certain phases of precession, the Earth is closer to the Sun during the summer in one hemisphere and farther away during the winter, which can lead to more extreme temperature and precipitation patterns. These patterns can create conditions that are more favorable for the growth of glaciers, which can contribute to the onset of an ice age.
Explanation:
STUDY ON NATURAL SELECTION, THIS IS NOT A TEST, BRAINLY!!!
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Answer:
A. The ability to thrive under certain light conditions is an inheritable trait
B. Ferns that thrive in low light have an advantage in the population
State four benefits of the democratic government
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Answer:
Representation: In a democratic government, citizens have the ability to vote and elect representatives who will make decisions on their behalf. This ensures that every citizen has a voice and that their concerns and interests are taken into account.
Protection of individual rights: Democratic governments typically have legal systems in place that protect individual rights such as freedom of speech, religion, and assembly. These protections ensure that citizens can express their opinions and beliefs without fear of persecution or discrimination.
Accountability: In a democratic government, elected officials are accountable to the people they represent. If they fail to fulfill their duties or act in a way that goes against the interests of their constituents, they can be removed from office through a fair and transparent process.
Stability: Democratic governments tend to be more stable and peaceful than authoritarian regimes. This is because they are based on the rule of law and the principle of peaceful transfer of power. When citizens have a say in how their country is governed, they are less likely to resort to violence or rebellion.
Explanation:
Four benefits of democratic government are:
Citizen participation and representationProtection of individual rights and freedomsFair and transparent decision-makingPeaceful and orderly transfer of power.What is a democratic government?
A democratic government is a system of governance where power is held by the people through free and fair elections. It is based on the principle of popular sovereignty, where the will of the majority determines political decision-making.
One of the key benefits of democratic government is citizen participation and representation. Democratic governments offer opportunities for people to have a say in decisions that affect their lives through voting, activism, and advocacy. Another benefit is the protection of individual rights and freedoms. Democracies ensure that basic human rights, such as freedom of speech and assembly, are respected and upheld.
Democracies also promote fair and transparent decision-making, with elected officials being held accountable to the people. This helps to prevent corruption and abuse of power. Additionally, democratic governments promote peaceful and orderly transfer of power, which reduces the likelihood of political instability and violence. Overall, democratic governments provide a framework for promoting equality, justice, and liberty for all citizens.
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Why the bag changed its shape explain using water potential
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The bag's size changed as a result of water moving inside the bag in reaction to the water potential.
What is the potential of water?The energy needed to move a tiny amount of water across a barrier is referred to as the water potential.
We must keep in mind that water potential causes the water to flow inside the bag, changing its form as depicted. In reaction to this potential, water started to migrate within the bag.
The likelihood that water in a solution may undergo osmosis reduces as a solution's solute concentration rises. As a result, a solution's osmotic (solute) potential becomes more negative the more solute is added to it.
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Of the three types of stimuli discussed in this chapter for activating an endocrine gland (humoral, hormonal, nervous), which one is used for activating the adrenal glands...
a. ...for short-term stress?
b. ...for long-term stress?
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Endocrine glands are prompted to synthesis and release hormones by three mechanisms: humoral stimuli, hormonal stimuli, and neurological stimuli.
The stimulus is a change in the environment, and the response is the organism's reaction to it.
What kind of endocrine impulses are sent to the adrenal gland?Corticotropin-releasing hormone (CRH) is produced by the brain and stimulates the pituitary gland to release adrenocorticotropin hormone (ACTH). The adrenal glands are then stimulated by ACTH to produce and release cortisol hormones into the bloodstream.
When stimulated, the endocrine system secretes hormones into the circulatory system, which travel to the target tissue. Endocrine system activation often produces modest yet long-lasting responses.
This process occurs rather fast, within minutes following the stressful incident.
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Which of the following is true of the Ashkenazim?
A) They lived around the Mediterranean.
B) They were the fighters that crushed the rebellion in AD 70.
C) They often mixed with non-Jews.
D) They lived in northern Europe.
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The statement that is true about the Ashkenazim is that they lived in northern Europe.
The correct option is D.
Who are the Ashkenazim?The Ashkenazim are one of the two main branches of Jews, the other being the Sephardim.
The Ashkenazim originated in the Rhineland of Germany in the early Middle Ages and later spread to other parts of Europe, including Poland, Russia, and other Slavic countries. They have a distinct culture and language, Yiddish, and have contributed significantly to Jewish scholarship, literature, and music.
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For the animal picture in the boxes below, type at least 3 adaptations they have and explain how these adaptations help them survive in their environments
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Answer
One of the adaptations are the sharp teeth of the skunk. Their spraying part of the body helps the skunk avoid predation. Then their color. The skunk's color helps it camouflage.Camouflaging helps the skunk avoid predation. Then its fur. It's fur helps the skunk keep warm during winter . It helps the skunk avoid die from extreme temperatures
Explanation:
LABEL THE SHARKS
In this order, because it was hard finding the answers
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The correct order of sharks is:
PristiophoridaeMobulidaeCarcharhinidaeSqualidaeRajidaePseudotriakidaeScapanorhynchidaeAlopiidaeDasyatidaeSphyrnidaeIsuridaeRajidaeRhinocodontidaeHexanchidaeWhat are Pristiophoridae and Mobulidae?Pristiophoridae is a family of sharks commonly known as sawsharks, characterized by their long, blade-like snouts edged with teeth, which they use to slash and disable prey. They are found in oceans around the world, typically in deeper waters near the continental shelf.
Mobulidae is a family of large, filter-feeding rays commonly known as devil rays or manta rays. They are characterized by their large size, triangular pectoral fins, and a pair of cephalic fins that are used for feeding. They are found in warm waters all over the world and are generally harmless to humans.
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Match the objects in space with their definitions.
Tiles
planet
Pairs
dwarf planet
a natural satellite that orbits
an object other than a star
an icy, rocky object that has
a tail and orbits the Sun
a large object that orbits the
Sun and has no other large
objects in its orbital path
the only star in our solar system
a small, rocky object that orbits
the Sun, most often found
between Mars and Jupiter
a smaller object that orbits the
Sun and shares its orbit with
other objects
moon
→
000
Sun
asteroid
comet
Answers
Planet → A large object that orbits the Sun and has no other large objects in its orbital path
Pairs → Asteroid
Dwarf planet → A large object that orbits the Sun but has not cleared its orbital path of other debris
Moon → A natural satellite that orbits a larger object such as a planet
Comet → An icy, rocky object that has a tail and orbits the Sun
Sun → The only star in our solar system.
I really need help for homework Biology 102 ASAP and it's Due Mar 8, 2023 at 11:59 PM EST
Unit 5: Questions 5 and 6
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We can see here that classifying the following descriptive details based on which of the four main functions of the urinary system they describe, we have:
1. Excretion of metabolic waste, such as:
Uric acid, resulting from the breakdown of nucleotidesCreatinine, the bi-product of creatine phosphate metabolismUrea, the primary nitrogenous waste produced by metabolismAmmonium ion (NH4+)What is an urinary system?The urinary system, also known as the renal system, is the body's system responsible for producing, storing, and eliminating urine. It consists of the kidneys, ureters, bladder, and urethra.
The kidneys are the primary organs of the urinary system, responsible for filtering blood to remove waste products and excess water, salts, and other substances from the body.
2. Osmoregulation, which includes:
Maintaining the salt-water balance in the blood3. Regulation of acid-base balance by:
Excreting hydrogen ions and reabsorbing bicarbonate ionsMaintaining blood pH around 7.44. Secretion of hormones, such as:
Erythropoietin, to stimulate red blood cell productionAldoste-rone, which promotes reabsorption of sodium ionsRegulation of appropriate amounts of ..... in the bloodRegulation of blood pressure via regulation of blood volume.Learn more about urinary system on https://brainly.com/question/16634496
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Draw and label a diagram to illustrate the principle of regulating arterioles through intrinsic vs extrinsic regulation
- Describe how chemical and physical changes determine COD (ex. metabolic changes that lead to active hyperemia, vasoactive mediators, temperature and myogenic stretch response )
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Regulating Arterioles:
Arterioles are small blood vessels that regulate blood flow to different organs and tissues. They have the ability to constrict or dilate in response to changes in metabolic demand, blood pressure, and other factors. This regulation can occur through two mechanisms: intrinsic and extrinsic.What is the intrinsic vs extrinsic regulation about?Intrinsic regulation involves the arteriole itself responding to local changes in the surrounding tissue. The main factor controlling intrinsic regulation is the metabolic demand of the tissue. As tissues become more active and require more oxygen and nutrients, they release metabolic byproducts such as carbon dioxide, adenosine, and potassium ions.
Extrinsic regulation involves the nervous and endocrine systems controlling arteriolar diameter through the release of vasoactive mediators. These mediators can either cause vasoconstriction or vasodilation, depending on the physiological need. For example, the sympathetic nervous system releases norepinephrine to constrict arterioles in response to low blood pressure or stress.
Chemical and Physical Changes:
Chemical and physical changes can also determine the regulation of arterioles. In response to metabolic demand, tissues release metabolic byproducts that cause vasodilation. Vasoactive mediators such as nitric oxide and prostacyclin also promote vasodilation. Conversely, vasoconstriction can be caused by factors such as endothelin-1 and thromboxane A2.Therefore, the Physical factors such as temperature and myogenic stretch response can also affect arteriolar diameter. Cold temperatures cause vasoconstriction, while warm temperatures cause vasodilation. Myogenic stretch response is the ability of arterioles to respond to changes in blood pressure by constricting or dilating to maintain a constant flow. When blood pressure increases, the arteriole constricts to prevent an excessive flow, and when blood pressure decreases, the arteriole dilates to maintain flow.
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Why do children never look exactly identical to their parents? Use and UNDERLINE the following words in your explanation: gene, allele, chromosome.
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Answer:
Children never look exactly identical to their parents because of the process of genetic inheritance. Each individual inherits one set of 23 chromosomes from each parent, resulting in a unique combination of genetic information. Chromosomes contain thousands of genes, which are the basic units of heredity that determine traits such as eye color, hair color, and height. Each gene can have different versions called alleles, which can lead to variations in the trait. The combination of alleles inherited from each parent determines the child's traits. Since each parent contributes a different combination of alleles, the child will inherit a unique combination that may differ from both parents. Therefore, the genetic makeup of each individual is unique, resulting in physical and behavioral differences between individuals.
October of 2014, a Zoo in a U.S. city introduced a new colony of monkeys
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In October 2014, the Philadelphia Zoo in Philadelphia, Pennsylvania introduced a new colony of white-faced saki monkeys.
What is Philadelphia?Philadelphia is the largest city in Pennsylvania, a state in the Mid-Atlantic and Northeastern regions of the United States. It is located along the Delaware and Schuylkill rivers, and is one of the oldest cities in the country, having been founded in 1682. Philadelphia is known as the City of Brotherly Love and the birthplace of the United States. It is home to the Liberty Bell, Independence Hall, the Philadelphia Zoo, and many other landmarks. Philadelphia is also a major cultural center, with a vibrant art and music scene, a thriving restaurant industry, and plenty of sports teams, including the Phillies, Eagles, Flyers, and 76ers. The city also has a long and storied history, having been the site of the signing of the Declaration of Independence and the Constitution.
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Pigiang Fault
This is a map view of a fault. You are looking DOWN on the fault from above.
a)
what type of fault is it
b) what type of forces are involved
c) how would you describe the relative lateral motion?
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The Pigiang Fault is a strike-slip fault.
The forces involved are horizontal shearing forces.
The lateral motion is horizontal and in opposite directions.
What happens in the Pigiang Fault ?The Pigiang Fault is a strike-slip fault and these are typically associated with horizontal shearing forces that cause blocks of rock to move past each other in opposite directions. In the case of the Pigiang Fault, these shearing forces may be caused by tectonic activity along the boundary between two tectonic plates, or by other types of deformation within the Earth's crust.
The relative lateral motion along the Pigiang Fault would be described as horizontal and in opposite directions. As one block of rock moves to the left, the other block moves to the right, with the boundary between the two blocks following the fault plane.
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Help please on that fast
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White-tailed deer are known for their ability to adapt to different environments and conditions.
What are three adaptations of the white tailed deer?Camouflage: White-tailed deer have reddish-brown coats that blend well with the colors of their natural habitat, making them difficult to spot by predators such as wolves or coyotes.
Fast running: White-tailed deer have powerful hind legs that allow them to run quickly, reaching speeds of up to 30 miles per hour. This adaptation helps them escape from predators and navigate through their environment.
Scent glands: White-tailed deer have scent glands located on their legs and around their eyes that they use to communicate with other deer and mark their territory. This adaptation allows them to navigate their environment and communicate with other deer without relying on visual cues, which can be useful in low-light conditions or when visibility is limited.
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I really need help for homework Biology 102 ASAP and it's Due Mar 8, 2023 at 11:59 PM EST
Unit 5: Questions 3 and 4
Answers
Integumentary system: Protects body, synthesizes vitamin D.
Cardiovascular system: Transports blood, nutrients, gases, and wastes.
What is system ?System is an organized set of components that together form a complex whole. It is a set of interacting or interdependent elements forming an integrated whole. It can refer to a variety of different things, from physical systems like machinery and technology, to abstract concepts such as organizations and business processes.
Lymphatic/immune system is Defends against infectious disease, collects excess interstitial fluid.Digestive system is Ingests foods.Respiratory system: Maintains breathing, exchanges gases at lungs and tissues.Urinary system is Excretes metabolic wastes.
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7. Different types of movement can occur along a fault.
A. What are three types of movement that can occur along a fault? (3 points)
B. What force exists in each type of movement? (6 points)
Answers
Answer:
A. Three types of movement that can occur along a fault are:
Divergent movement
Convergent movement
Transform movement
B. The force that exists in each type of movement is as follows:
Divergent movement: Tensional force, where the two plates move apart from each other.
Convergent movement: Compressional force, where the two plates move towards each other.
Transform movement: Shear force, where the two plates move past each other in opposite directions.
Explanation:
Opening the voltage gated protein channels on the sarcolemma membrane at the end of the T tubule, allows
A. negative ions to move inside the muscle cell
B. positive ions to move inside the muscle cell
C. calcium to move inside the cell
D. the cell to rest
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Which of the following people is most vulnerable to burnout?
a. Malcolm, who is ambivalent about his job.
b. Mohammed, who works for a low salary.
c. Jennifer, who is passionate about her work.
d. Sya, who feels little emotional demand from work.
Answers
Answer:
c. Jennifer, who is passionate about her work, is most vulnerable to burnout. Burnout is a state of emotional, physical, and mental exhaustion caused by prolonged stress and overwork. People who are passionate about their work often invest a lot of time and energy into it, which can lead to neglect of other aspects of their lives and an increased risk of burnout. In contrast, people who feel little emotional demand from work (option d) are less likely to experience burnout. Additionally, those who are ambivalent about their job (option a) may not be as emotionally invested and may not experience burnout as easily. While working for a low salary (option b) can be stressful, it is not necessarily a predictor of burnout as other factors, such as workload and emotional investment, may play a larger role.
BRAINLY, THIS IS NOT A TEST QUESTION!!
This question is from one of my studies about pseudopods.
Answers
Answer:
B. It is a physical feature that helps the organism survive by allowing it to move and engulf prey. The flexible cell membrane of an amoeba allows it to change its shape and move in a process called amoeboid movement. This enables the amoeba to engulf its prey and obtain nutrients for survival. The flexibility of the cell membrane is a structural adaptation that allows the amoeba to survive and thrive in its environment.
A cross between a dihybrid individual (heterozygous for two traits) and a homozygous recessive individual for the same two traits produces these phenotypes as offspring: parental phenotypes 526 and 542, and recombinant phenotypes 22 and 24.
A. these genes are not linked
B. these genes are on different chromosomes
C. these genes are linked
D. these genes sort independantly
can someone explain why is it c
Answers
Answer:
The answer is C because the number of recombinant phenotypes is less than the parental phenotypes. This indicates that the two genes are linked on the same chromosome, and crossing over occurs less frequently between them during meiosis.
If the genes were not linked (answer A), then the expected ratio of parental phenotypes to recombinant phenotypes would be 1:1. However, we observe a greater number of parental phenotypes than recombinant phenotypes, indicating that the genes are linked.
If the genes were on different chromosomes (answer B), then they would assort independently during meiosis, and the ratio of parental to recombinant phenotypes would be 1:1.
Therefore, the correct answer is C: these genes are linked.