Answer:
Their wings are vestigial, as the kiwi birds are descended from flying ancestors.
Explanation:
Their pectoral muscles are not anchored to the breast bone in a way that enables them to fly, and their wings are very small and underdeveloped meaning they wouldnt be able to gain lift with them.
Which of the following is a specific variant of a character? A.) A Class B.) A Trait C.) A Species
Answer:
B.) A Trait - pls mark brainiest
Explanation:
A phenotypic trait, simply trait, or character state is a distinct variant of a phenotypic characteristic of an organism; it may be either inherited or determined environmentally, but typically occurs as a combination of the two.
How does the disease affects the nervous system
In an experiment, 4 liters of water was observed to evaporate in 20 hours. What rate of
evaporation was observed in this experiment?
O A. 0.001 liters per minute
O B. 0.2 liters per hour
O C. 0.02
Х
D. 5 hours per liter
It’s not D
Answer:
B. 0.2 litres per hours
Which was an idea used to dispute the theory of plate tectonics?
O
A. Seafloor spreading
O
B. Evidence of glaciers in Australia
O
C. Locations of Mesosaurus fossils
O
D. The existence of land bridges between continents
Answer:
option d is correct. the existence of land bridges between continents.
Explanation:
landland bridge theory which was used to explain why species would end up continents over, such as mammoth travelling to North America, thisthis theory was based on the idea that water eventually Rose to cover these bridges rather than the at having individual plates that moved away from each other.
Which of the following is an example of aerobic respiration? A.Lactic acid fermentation in human muscles B.Physical exchange of gases in human lungs C.Respiration during vigorous physical exercise D.Breaking down of glucose with oxygen inside an animal cell
D. Breaking down of glucose with oxygen inside an animal cell is an example of aerobic respiration.
Lactic acid fermentation occurs in human muscles and it is not a type of aerobic respiration as it occurs in the absence of oxygen gas. In this process, lactate or lactic acid is produced by the glucose. Physical exchange of gases in human lungs is called breathing. Respiration during vigorous physical exercise is an example of anaerobic respiration because vigorous physical exercise creates deficiency of oxygen. Aerobic respiration is a type of cellular respiration in which the glucose is broken down to release energy in the form of ATP or adenosine triphosphate in the presence of oxygen. This type of respiration occurs in both animal and plant cells. Hence, breaking down of glucose with oxygen inside an animal cell is an example of aerobic respiration.Learn more about aerobic respiration:
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xam
Which of the following is
considered a producer?
A. algae
B. bacteria
C. deer
D. a cow
Rosa drew a flow chart of the carbon cycle.
GIVING 100 POINTS FOR ANSWER AND BRAINLEIST!
Which labels best complete the flow chart?
X: Producers undergo photosynthesis.
Y: Decomposers return carbon to the soil and release waste.
X: Decomposers return carbon to the soil and release waste.
Y: Producers undergo photosynthesis.
X: Decomposers take in carbon dioxide.
Y: Producers absorb carbon through their roots.
X: Producers absorb carbon through their roots.
Y: Decomposers take in carbon dioxide.
The following label complete the flow chart:
X- Producers undergo photosynthesis.
Y- Decomposers return carbon to the soil and release waste.
What is carbon cycle?Carbon cycles through Earth's atmosphere, oceans, land, and living things. Carbon is essential to numerous life-sustaining chemical processes. Carbon dioxide (CO2), which plants use for photosynthesis and regulates Earth's temperature, is in the atmosphere.
Several Earth processes transport carbon between reservoirs in the carbon cycle. Photosynthesis, respiration, and decomposition. Plants employ photosynthesis to convert CO2 into organic carbon molecules like sugars for growth. Plants and animals respire to release CO2 into the atmosphere. Decomposition by microorganisms releases CO2 from dead plants and animals.
The carbon cycle is a crucial aspect of Earth's climate system, regulated by CO2 levels, photosynthesis and respiration rates, and greenhouse gas levels. Understanding the carbon cycle helps us comprehend climate change and identify solutions.
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In 3-5 sentances explain how the rate of photosynthesis or cellular respiration can be measured using products or reactants
while the earth is home to many members of this phylum earthworms are not a member of blank
Answer: Chordata.
Explanation: While the earth is home to many members of this phylum, earthworms are not a member of Chordata.
What are the two main categories of mutations that occur in humans? Name and define the two types?
Answer:
Gene Mutation and Chromosomal Mutation
There are no nucleus and mitochondria in the red blood cells (RBCs). For this reason, RBCs are able to carry more hemoglobin molecules and deliver oxygen to the right place. Look at the following statements about RBCs: 1. RBCs cannot produce any ATP due to the lack of mitochondria 2. RBCs produce 2 molecules of ATP from 1 molecule of glucose 3. RBCs produce CO2 and water from glucose 4. RBCs produce lactic acid from glucose 5. RBCs produce ethyl alcohol and CO2 from glucose Which of the statement(s) is/are true? A. 2 and 4 B. 1 C. 3 and 5 D. 4 and 5 E. 2, 4 and 5
How is a clade differentiated from another clade
Answer:
A clade is a grouping that includes a common ancestor and all the descendant species of that ancestor. Clades are differentiated visually based on where they branch off from one another.
Explanation:
A clade is a grouping that includes a common ancestor and all the descendants (living and extinct) of that ancestor. Using a phylogeny, it is easy to tell if a group of lineages forms a clade. Imagine clipping a single branch off the phylogeny — all of the organisms on that pruned branch make up a clade.
Clades are nested within one another — they form a nested hierarchy. A clade may include many thousands of species or just a few. Some examples of clades at different levels are marked on these phylogenies. Notice how clades are nested within larger clades
Answer:
A clade is a monophyletic grouping in which all the organisms stem from the same branching point.
Explanation:
The organisms in a clade must all stem from the same branching point in evolutionary history, as represented in the phylogenetic tree.
Pls help this is an assignment!!
What is the length of a human cheek cell under the 100x objective lens of a microscope (aka 1000x magnification)?
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Answer:
When we look at cells under the microscope, our usual measurements fail to work. In objectives we use (4 X, 10 X, 40 X and 100 X) arm.
At 100 x magnification you will see 2 mm. At 400 x magnification you will see 0.45 mm, or 450 microns. At 1000 x magnification you will see 0.180 mm, or 180 microns.
Explanation:
Hemophilia is an X-linked recessive disorder.
A Punnett square is shown. The columns are labeled Upper X h and Upper Y. The rows are labeled x Upper H and x h.
What is the probability of having hemophilia for the cross that is shown in the Punnett square?
0 percent
25 percent
50 percent
75 percent
Answer:
It is 50% chance that a daughter has hemophilia because the question is What percent chance a daughter has it,so out of the two possible genotype for a girl , one of them will be a carrier of hemophilia and the other will exhibit the disease making it a 50% or 1/2 chance
Explanation:
Hemophilia is an X-related recessive hereditary sickness that classically impacts men because of the presence of the most effective X chromosome in adult males. females are commonly vendors because of the presence of counterpart X chromosome, however, oftentimes manifestations of hemophilia are seen in heterozygous provider women.
If the son gets his mom's X chromosome with the hemophilia gene he may have hemophilia. If he inherits his mom's different X chromosome, he will have everyday blood clotting. So a provider's son has a 50% risk of getting hemophilia.
That's an X-connected recessive ailment?
Examples of X-related recessive situations include purple-inexperienced color blindness and hemophilia A: red-green color blindness. crimson-green color blindness in reality manner that a person can not distinguish sun shades of purple and green (generally blue-green).
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The use of DNA in the process of classifying organisms is known as
Answer:
El campo de la genética implica el estudio de genes, segmentos de ADN que codifican rasgos, comportamientos u otras características específicas de los organismos.
Explanation:lo que dice ahi neta que si
Answer:
Taxonomy
Explanation:
Prior to being able to sequence DNA, organisms were described and categorized solely by their distinct morphologies (physical characteristics) and ecological roles. The ability to sequence DNA has revealed a great deal more about where an organism belongs taxonomically and helps pinpoint new species. DNA is now used alongside morphology and ecology to substantiate an organism’s distinctiveness in the biological world.
Which occurs in both the lytic cycle and the lysogenic cycle?
destruction of host cell
integration of viral and host genetic information
production of virus particles
hijacking of host cell's metabolism
Answer:
D hijacking of host cell's metabolism
Explanation:
got it right on quiz
Consider the image of our solar system. Based on your knowledge of gravitational attraction, which planet has the largest gravitational force? A) Earth B) Jupiter C) Mercury D) Neptune
Answer:
Jupiter
Explanation:
Jupiter is the fifth planet from our Sun and is, by far, the largest planet in the solar system – more than twice as massive as all the other planets combined. Jupiter's stripes and swirls are actually cold, windy clouds of ammonia and water, floating in an atmosphere of hydrogen and helium. Jupiter’s iconic Great Red Spot is a giant storm bigger than Earth that has raged for hundreds of years.
With a radius of 43,440.7 miles (69,911 kilometers), Jupiter is 11 times wider than Earth. If Earth were the size of a nickel, Jupiter would be about as big as a basketball.
From an average distance of 484 million miles (778 million kilometers), Jupiter is 5.2 astronomical units away from the Sun. One astronomical unit (abbreviated as AU), is the distance from the Sun to Earth. From this distance, it takes Sunlight 43 minutes to travel from the Sun to Jupiter.
Describe 2 limitations of a 3D cell model.
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Answer:
One of the major disadvantages of 3D cultures is that there is a requirement for the separation of single cells from spheroid structures by proteolytic degradation of single layers, which can take several hours or even a few days. There are many 3D methods where the efficiency, lifespan, repeatability, along with the comfort of work are poorer than in the case of 2D systems, which again is a disadvantage.
Explanation:
3D methods have become a lot more prevalent and are used in the area of cancer research, they can also be applied in tissue engineering. Cell culture is a commonly utilized in vitro tool for expanding our understanding of cell biology, tissue shape, disease mechanisms, medication action, protein production, and tissue engineering development. The majority of cancer biology research is based on in vitro experiments with two-dimensional (2D) cell cultures. However, because 2D cultures have numerous limits, 3D is utilised.
The following can be referred to for better understanding:
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When a plant is receiving the
maximum amount of light
intensity that it can withstand,
what happens to the rate of
photosynthesis?
A. The rate levels off.
B. The rate increases.
C. The rate decreases.
Answer:
A. The rate levels off
An object of the same mass has three different weights at different times. Which statement is possible? The object gains matter and then loses it. The object started on Earth, was transported to space, and was deposited on the moon. The object started at the bottom of a hill, then moved to the top of the hill, and then moved back down to the bottom of the hill. The object changes shape, which changes its weight.
Explanation:
Hey, there!!
The possible reason is option no. b.
Because
for the first option its absolutely wrong. For the second option there is variation of gravity in different places so, the weight differes. (as w= m.g)For the third option, the weight changes when the object is kept at top at once and low at once but for the third time again the object is replaced at same place. so, it only gives two different weights.4th option is incorrect.so, i think the answer is option B.
Which arrow or arrows represent reactions that demonstrate a conservation of mass and energy? Explain your answer.
Answer:
E I believe I don't know sorry if I am wrong
Select all of the correct answers.
Which statements are true?
1. Science is a collection of facts that does not evolw! We have gained all the knowledge we can from
science.
2. Scientists observe natural events occurring around them. They question these observations and
Investigate them.
3. All scientists follow one scientific method of Investigation.
4. If a hypothesis is not verified by the results from the scientific method, scientists may either redo
the process or create a new hypothesis.
5. Once they reach a conclusion, scientists often keep the results to themselves.
Answer: 2, 3, 4,
Explanation:
The idea that layers of sediment are always deposited horizontally is called_____.
answer here
Answer:
original horizontality
Explanation:
The Principle of Original Horizontality states that layers of sediment are at first deposited horizontally below the movement of gravity. It is a relative relationship technique. The precept is critical to the evaluation of folded and tilted strata.
Which type of fault is under compression?
O A Transform
B. Reverse
c. Strike slip
O D. Normal
Answer:
B. Reverse
Explanation:
The reverse fault is the type of fault that is created by two faults under compression
Reverse fault is under compression. A reverse fault occurs when the hanging wall moves upward and over the footwall due to compression forces in the earth's crust.
Reverse fault is associated with whom?This type of fault is commonly associated with convergent plate boundaries, where two plates are moving towards each other and compressing the rock between them. The reverse fault is characterized by a steep dip angle and a short horizontal displacement.
A reverse fault is a type of dip-slip fault, where the movement of the rocks is vertical, and the hanging wall moves upward and over the footwall.
This type of fault is caused by compressional forces that push the rocks together and shorten the distance between them. As a result, the rock mass on one side of the fault plane is pushed upwards, and the rock mass on the other side is pushed downwards.
In summary, a reverse fault is a type of fault where the hanging wall moves upward and over the footwall due to compressional forces, and it is commonly found at convergent plate boundaries where the crust is undergoing compression.
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1. Oil spills happen in our oceans. Some oils contain volatile organic compounds; these compounds make the oil denser. What large-scale impacts could this kind of oil spill have on the ocean environment?
a. Oil is natural and doesn't have an overall negative impact on the ocean environment.
b. Oil that is denser will sink and have a negative impact on the ocean environment.
c. Oil that is denser will float on the ocean's surface and will have a negative impact on the environment.
d. Oil will impact only select species and not have a large-scale impact on the environment.
2. Imagine a net fishery for a medium sized fish like flounder that takes a large amount of unintended catch in the form of small crustaceans and fish that must be thrown back into the sea (usually dead). You are the fishery scientist who set catch limits for this particular fishery. You did your research and believe that the limits you set are sustainable, but the fisherman tell you they are catching smaller and fewer fish. What would you tell them you think the most likely problem and is and how to address it?
a. The problem is likely global warming, and the only way to solve it will be to address global warming.
b. The problem is likely that your research is outdated and you need to collect new data, set and establish new limits.
c. The problem is likely the increasing level of decaying shrimp and small fish in the area, and could be addressed if the fisherman found a new way to dispose of the unintended catch.
d. The problem is likely the large amount of bycatch is reducing food availability for the flounder, and could be addressed by designing new nets.
3. What application of biotechnology seeks to make a positive impact on human health by searching the marine environment for novel compounds, such as new drugs?
Biochemical engineering
Biomimicry
Bioprospecting
Environmental biotechnology
Answer:
1) Option c
2) Option d
3) Bioprospecting
Explanation:
1) Oil will float and obstruct sunlight which is essential for plant growth in sea too.In turn this affects the whole food chain of aquatic animals.
2)The fisherman are disturbing the food chain by the unintended catch and can design their nets to catch flounders only.
Drag the tiles to the correct boxes.to.complete the.pairs, Match the images with the stages of a mosquito's life cycle
Answer:
Explanation:All mosquito species go through four distinct stages during their life cycle: Egg - hatches when exposed to water. Larva - (plural: larvae) "wriggler" lives in water; molts several times; most species surface to breathe air. Pupa - (plural: pupae) "tumbler" does not feed; stage just before emerging as adult.
how does an increase in available food increase genetic diversity?
Answer:
more food means more of the species would stay alive longer so that would mean obviously more mating and mutations.
Explanation:
You go on a trip to the Galapagos island to study the animals there for a paper you are writing on evolution, just like Darwin did. You spend 3 days taking notes on all the physical characteristics you can observe about the tortoises and then you spend 3 days observing the finches. What have you recorded? A. Inherited characteristics B. Environmental variation factors C. Phenotypes D. Genotypes
Answer:
C. Phenotypes
Explanation:
Taking notes on all the physical characteristics observed about the tortoises and then observing the finches, I have observed the phenotypes.
Phenotypes are the observable characteristics of a species which are the result of genetic expression influenced by the environmental factors.
So, phenotypes will be recorded during the trip while taking notes on all the physical characteristics which can be directly related to genotype and environmental factors.
Hence, the correct option is "C. phenotypes".
Question 9 Lipids and proteins can be formed from carbohydrates. Which elements do these molecules have in common that help form different molecules? carbon hydrogen sodium oxygen
Answer:
carbon if only one answer allowed, if check multiple, carbon, hydrogen, and oxygen.
Explanation:
The common elemental ingredients are carbon, hydrogen, and oxygen. They all contain the element carbon. They contain simpler units that are linked together making larger molecules.
Answer:
the main answer is carbon although its really carbon, hydrogen, and oxygen
to remember each macromolecule, you can use this reference...
Carbohydrates = CHO (carbon, hydrogen, oxygen)
Lipids = CHO (carbon, hydrogen, oxygen)
Proteins = CHON (carbon, hydrogen, oxygen, nitrogen)
Nucleic Acids = CHONP (carbon, hydrogen, oxygen, nitrogen, phosphorus)
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Describe the pathophysiology