Answer:
permineralization
Explanation:
Which statement below is an example of how a gamete's
structure significantly helps its function?
Eggs have tails to help them travel down the fallopian tubes to the uterus.
Sperm have a well-protected head and a motor to help them travel.
Eggs are small to minimize their chances of double fertilization.
Sperm are large so that they can contain nutrients for the developing embryo.
Answer:
Sperm have a well-protected head and a motor to help them travel.
Explanation:
Gametes are sexual cells. Organisms make use of gametes to sexually reproduce themselves. Male organisms produce gametes called SPERM while feale organisms produce gametes called EGG. Although both of these gametes function to sexually reproduce the organism that produces them, they have different morphological characteristics that supports their physiological function.
- The sperm cell is made up of two major parts namely: the head and the tail. The head of the sperm cell contains the nucleus, which houses the genetic material of the cell i.e. DNA. For this reason, the head is well protected. Also, the sperm contains a tail region, which is actually a flagellum that enables it to be motile i.e swim through the female reproductive part. The flagellum contains a structure called AXONEME, which is referred to as the MOTOR of the sperm cell.
Please rank the following ecological levels of organization in ascending order.(1 point)
individual → population → ecosystem→ community
community → ecosystem → population → individual
ecosystem → community → population → individual
individual → population→ community→ ecosystem
Answer:
1) a population of robins die
2) individual->population->community->ecosystem
3) fluctuating slightly over time
4) all members of a particular species in a specific area at a certain time
5) the caterpillers only eat milkweed plants
Explanation:
did the qc
These ecological levels of organization are ranked in ascending order as follows: D. individual → population→ community→ ecosystem.
What is an ecosystem?An ecosystem can be defined as a biological community that is typically made up of living organisms (biotic factors) such as individuals and the physical environment (abiotic factors) in which they interact.
Basically, the individual organisms in an ecosystem forms a population and this also gives rise to a community. This ultimately implies that, the ecological levels of organization are ranked in ascending order as follows:
Individual PopulationCommunityEcosystem.Read more on ecosystem here: brainly.com/question/15971107
Between 1984 and 2003, scientists mapped the human genome, which means they determined the pattern of billions of genes that make a human a human. Originally, it took years to map a single person’s total genome. By 2014 multiple genomes could be mapped in one day. What most likely allowed scientists to start mapping so much faster? a change to Mendel’s law of dominance more powerful computer technology the discovery of how germs work new scientists repeating gene experiments
Answers: a change to Mendel’s law of dominance
more powerful computer technology
the discovery of how germs work
new scientists repeating gene experiments
Answer:
More powerful computer technology
Explanation:
More powerful computer technology allowed the scientists to start mapping so much faster because powerful computer works very fast as compared to human brain. The activity or calculation which can be done by the human brain in hours, the computer done it in seconds due to its fast and quick response. So we can conclude from this discussion that powerful computer technology allowed the scientists to start mapping very fast.
!!!!!!!WILL MARK BRAINLIEST!!!!!!!!!A sudden increase in activity level can cause stress fractures.
OA True
OB. False
Answer:
Its True
Explanation:
This is called bone stress. This can develop into a stress fracture if the level of load bearing/activity is not reduced. Stress fractures commonly occur when there is a sudden change in physical activity or increase in training without enough rest time for the bone to adapt and remodel.
How would prescribing antibiotics affect someone with smallpox?
Answer:
Small Pox
Medical Condition
A deadly viral disease that has been completely eradicated.
How common is condition?
Extremely rare (Zero cases in US in 2015)
How is condition transmitted?
Transmitted through direct contact
Is condition preventable by vaccine?
Usually preventable by vaccine
Does diagnosis require lab test or imaging?
Requires lab test or imaging
Is condition treatable?
Treatments can help manage condition, no known cure
Time taken for recovery
Can last several days or weeks
Caused by infection with variola virus. Rashes on the face, hands and torso which form blisters and scabs which lead to formation of deep pitted scars. Smallpox has no cure; treatment involves managing symptoms.
Explanation:
Answer:
b
Explanation:
what are the four layers that make up the earth?
Answer: The 4 layers that make up the earth is the crust, mantle, inner core and outer core.
Explanation: The crust, which is a main layer is where we live on. Without the crust, we'll be standing on the mantle! The temperate of the crust is 392 Fahrenheit! The crust is 30 km thick. The mantle is the second layer of the earth. It's below the crust and it's hot, dense and semi-solid. It's mostly made of iron, magnesium and silicon. It can reach as hot as 1000 Celsius (1832 Fahrenheit)! It's about 2900 km thick! Anyone who standing on it will melt! The inner core is the 3rd layer. It's below the mantle and made out of liquid iron (molten iron) and nickel. It is about 5,200 Celsius (9392 Fahrenheit). Now that is hot! Hotter than a fire even a heater! The last layer is the outer core. It's made out of liquid iron and nickel, like the inner core. The outer core can be as hot as 5500 Celsius (8132 to 9932 Fahrenheit!)
Wolves from the same pack are all feeding
on the same deer. What type of species
competition is this?
A. intraspecific
B. interspecific
C. invasive species
Answer:
A. intraspecific !!
Wolves from the same pack are all feeding on the same deer. What type of species. In this, the type of the species is intraspecific competition.
What do you mean by intraspecific competition?Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources. This leads to a reduction in fitness for both individuals, but the more fit individual survives and is able to reproduce.
Interspecific competition may occur when individuals of two separate species share a limiting resource in the same area. If the resource cannot support both populations, then lowered fecundity, growth, or survival may result in at least one species.
Intraspecific competition occurs between members of the same species. For example, two male birds of the same species might compete for mates in the same area.
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Mutations and variations are
1:willed into existence
2:random
Answer:
2:random
Explanation:
Mutations are RANDOMLY caused by mistakes in the DNA replication process there is no telling when they will happen, nor is there a way to force mutations!
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Please help What type of cells have a nucleus?
a Prokaryotes
b Eukaryotes
C Bacteria
d Viruses
Answer:
Cells that have more than one nucleus are called eukaryotic cells.
The answer is B
Where would you expect precipitation to occur
I think the answer is clouds.
Precipitation is any type of water that forms in the Earth's atmosphere and then drops onto the surface of the Earth. Water vapor, droplets of water suspended in the air, builds up in the Earth's atmosphere. Water vapor in the atmosphere is visible as clouds and fog.
answer:
Precipitation is most abundant where air rises, and least abundant where it sinks. It also tends to be greater near oceans and lakes, and in higher elevations.
Can you please tell me an explanation of what happens in Cytokinesis please?
Please dont copy and paste
Answer:
Explanation:
Cytokinesis is the process of the parents cytoplasm splitting between the two daughter cells. It happens when miosis and mitosis occur in animal cells. Hope this helps!
What most likely caused the difference in the apparent size of the Moon in photographs A and B?
Answer:
Option C
Explanation:
I think it is C distance changed
The distance from the earth to moon changed is most likely caused the difference in the apparent size of the Moon in photographs A and B.
What is Moon?One of the solar system's most recognizable objects is the Moon. Due of its closeness to Earth, it has enormous cultural value and is crucial to the regulation of the planet's tides.
The Moon has essentially little atmosphere, thus it cannot retain heat or act as a surface insulator.
The Moon's surface reaches 127°C in full sunlight, which is far over the boiling point of water. High temperatures last for 13 and a half days, followed by 13 and a half days of darkness.
Therefore, The distance from the earth to moon changed is most likely caused the difference in the apparent size of the Moon in photographs A and B.
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What is the locomotory structure of yeast
Answer:
Yeast cell structure
Each yeast cell has a distinct cell wall enclosing granular cytoplasm, within which can be seen a large vacoule and a nucleus (Fig. 214). The vacuole varies much in size according to the state of activity of the cell.
Yeast contains almost the same organelles of a mature eukaryotic cell. Nucleus, Golgi apparatus, mitochondria, endoplasmic reticulum, vacuole, and cytoskeleton are the most important one. Yeast cell particle size is typically of 5×10μm.
Explanation:
Yet, we don't always think of yeast as something remarkable. Instead, it's often perceived as plain or dull—a single-celled organism that, like a plant, lacks the ability to move on its own accord.
Scientists agreed on the Theory of Evolution after they had
accepted biased theories.
gathered non-testable data.
accepted religious beliefs.
gathered scientific evidence.
Write a testable hypothesis related to sunblock
what are plant leaves preserved as
Plant parts are flattened and at least some of the original plant material remains. Leaves are often preserved as compressions.
Answer:
rrtrrrfddddddddfffffffddddd
Explanation:
A student used poster board to construct this model of DNA.Which statement describes this model of DNA?
Answer:
The model is inaccurate because the base pairs are incorrect.
Explanation:
The model of DNA that the student made was:
G-G
A-A
T-T
C-C
G-G
A-A
T-T
C-C
The model is pairing the bases incorrectly since guanine (G) forms a base pair with cytosine (C) and adenine (A) with thymine (T). In other words, the bases do not pair with the same type.
The DNA strands, which have deoxyribose, phosphate groups, and different bases, are together thanks to hydrogen bonds between the pairs. The pair G-C has three hydrogen bonds, while the pair A-T has two hydrogen bonds.
can you help me please?
what does DNA looks like? describe the structure of DNA?
A ligand is observed to bind its receptor on the outside of the cell. As a result of this binding, a chemical process is initiated within the cytoplasm on the inside of the cell. The original ligand was most likely a
Answer:
Substrate inhibitor, activator or a neurotransmitter.
Explanation:
The original ligand was most likely a substrate inhibitor, activator or a neurotransmitter. A ligand is a small molecule that is able to bind to proteins by weak attractive forces such as ionic bond and hydrogen bonds etc. It also transmit signals in the process from one part to another part. It also act as inhibitor and activator of reactions in the process.
The three vehicles shown below are all traveling at a speed of 15 m/s, but only the pickup truck has a changing velocity. The pickup truck has a changing velocity because the pickup truck-?
A. can accelerate faster than the other two vehicles
B. is travelling in the opposite direction from the other two vehicles
C. is travelling on a curve in the road
D. needs a large amount of force to move
Answer:
C. Is travelling on a curve in the road.
Explanation: the two vehicles behind the truck is moving at a constant speed because there is no change in velocity. The truck is changing directions AND speed (Acceleration/Velocity).
The pickup truck has a changing velocity because the pickup truck- truck is travelling on a curve in the road.
What is velocity?Velocity is the directional speed of an object in motion as an indication of its rate of change in position as observed from a particular frame of reference and as measured by a particular standard of time (e.g. 60 km/h northbound).
Velocity is a fundamental concept in kinematics, the branch of classical mechanics that describes the motion of bodies. Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
The scalar absolute value (magnitude) of velocity is called speed, being a coherent derived unit whose quantity is measured in the SI (metric system) as metres per second (m/s or m⋅s−1).
Therefore, The pickup truck has a changing velocity because the pickup truck- truck is travelling on a curve in the road.
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The most recent fossil discoveries have filled in many of the gaps in the evolution of birds from dinosaurs. Before the latest fossils were found, there were some scientists who questioned the idea that birds evolved from dinosaurs. In general, scientists constantly work to
Answer:
can you add a picture ?
Why do sexually reproducing organisms need gametes? Why don’t asexually reproducing organisms need them?
Which energy molecule is broken during cellular respiration to produce ATP
Answer:
Glucose Molecule
Explanation:
During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose.
Explanation:
This may be the answer for you
The key to protecting the oceans is
preventing or reducing pollution from the land and from streams.
O reducing population growth along the coastline,
O None of these are correct.
building desalination plants to maintain freshwater supplies for coastal populations
Answer:preventing or reducing pollution from the land and from streams
Explanation: This is true because these said streams and other bodies of water can flow into the ocean
The key to protecting the oceans is preventing or reducing pollution from the land and from streams is reducing population growth along the coastline. The correct option is A.
What is pollution?Pollution is the release of potentially harmful substances into the environment. These potentially damaging compounds are referred to as pollutants.
Despite the fact that metropolitan areas are often more polluted than the countryside, pollution can nonetheless migrate to isolated locations where no one lives.
For instance, it has been demonstrated that the Antarctic ice sheet contains chemicals and pesticides. The Northern Pacific Ocean's Great Pacific Garbage Patch is a vast collection of little plastic waste.
Therefore, the correct option is A, reducing population growth along the coastline.
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CELLS & CELL MEMBRANE
Which of the following is NOT a
eukaryotic organism?
A. A plant
B. An animal
C. A bacterium
D. A protist
Answer:
The answer is option C : a bacterium
when the body removes carbon dioxide bu the way of respiratory system what happens to the ph of blood
the more carbon dioxide in the blood the more acidic it will be. so when it is removed the acidity will decrease.
so the pH increases
When the body removes carbon dioxide, the PH of blood increases
The body control the blood's acid-base balance through different ways. The organs used for this control is lung, kidney and buffer systems.
The lung can control blood pH through the release of carbon dioxide. Carbon dioxide acidic and its accumulation in the body leads to an increase in PH.
When the blood PH is too low (i.e. acidic), the body increases breathing so as to expel(remove) more carbon dioxide thereby increasing the PH of the blood.
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Name three examples of solids?
Name three examples of liquids?
Name three examples of gases?
solids: rock, glass, coin
gas: hydrogen, oxygen, CO
Explain how water can be a destructive and constructive force.
Answer:
Water as a constructive force: It is involved in the deposition of sediments. It transports rock fragments, soil, and other debris at a particular area. This process eventually causes them to accumulate and form land features. Water as a destructive force: It is involved in weathering and erosion.
Explanation:
(pls mark brainliest if u can)
:)
Water can be both a destructive and a constructive force.
• The forces, which form or create an existing landform are known as the constructive forces. While the force, which tears or lowers down the surface features of the Earth are known as the destructive forces.
• Water can be considered as the constructive force as it carries sediment down the river and with the river becoming shallow, the deposition of the sediments takes place giving rise to landforms called deltas.
• On the other hand, water can also be considered as a destructive force as it takes part in processes like erosion and weathering. It breaks down and wears away the rocks and land masses.
Thus, water can be both destructive and constructive.
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How is a light element like helium is formed in stars and how is a heavier element like gold formed by stars? YALL HELP ME WITH THIS PLEASE
1. Elements are not formed in stars. All elements were formed during the Big Bang and no elements have been formed since then.
2. Both light and heavy elements are formed only under very high energy conditions, such as a supernova.
3. Only light elements like helium are formed by stars. They are formed from the fusion of hydrogen nuclei. A hydrogen nucleus is made of a single proton. When protons fuse together, a new atom of helium is formed. Heavier elements like gold cannot be formed under any condition.
4. A light element like helium is formed by the fusion of hydrogen nuclei. A hydrogen nucleus is made of a single proton. When protons fuse together, a new atom of helium is formed. Heavier elements like gold form under very high energy conditions, such as a supernova, when helium atoms combine under enough successive collisions to form very heavy elements.
Answer:
its d
Explanation:
lol im pretty sure im right but i could be wrong
The theory behind the formation of helium and gold is the fusing of hydrogen nuclei results in the formation of a light element like helium. One proton makes up the hydrogen nucleus. New helium atoms are created when protons combine. When helium atoms combine through enough consecutive collisions, as occurs during a supernova, they combine to generate heavier metals like gold. The correct option is 4.
What is fusion?
Fusion is a process in which two nuclei combine to form a large, heavier nucleus. This is a nuclear reaction. Nuclear reactions are of two types, fission, and fusion.
Smaller element or lighter elements like hydrogen and helium are formed by the process of nuclear fission, in which the division of element occur from smaller nuclei.
Heavier elements are formed by the process of nuclear fusion. Where lighter elements joined to create heavier elements.
Thus, the correct option is 4.
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Help me PLEASE! Choose one answer! First one to answer get Brainliest!
14.) What kind of fossil formation creates a hollow area in the rock that is the shape of an organism?
A.) Cast
B.) Trace Fossil
C.) Body Fossil
D.) Mold
Answer:
a mold
Explanation:
The hard parts completely dissolve over time, leaving behind a hollow area with the organism's shape.
Answer:
I think its D)Mold
Explanation: