BIOLOGY COLLEGE

Efferent neurons are also called _________ neurons: they camy impulses from the CNS to muscles and glands. a. axon
b. dendrite
c. sensory
d. motor

Answers

Answer 1
Answer:

Answer: d. motor

Explanation:  Efferent neurons are motor neurons. They are called efferent neurons because they transport nerve impulses out of the central nervous system (CNS) to effectors such as muscles or glands.

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Fungi, like the one that causes athlete's foot, are considered A. saprobic B. chemoautotrophic C. heterotrophic D. photoautrotrophic
After double fertilization, a zygote and ________ form.an ovuleendosperma cotyledona suspensor
How could natural selection affect humans?
How does a vaccination help to prevent a disease? it reduces the severity of symptoms to a disease. it generates a population of memory cells that speed up response to an actual infection. it generates a population of plasma cells that increase the concentration of antibody in the bloodstream. it establishes defenses that prevent a pathogen from returning to the body?

Describe what will occur the population if it increases in number when food is scarce?

Answers

Answer:

more people will die

Explanation:

If you have a big population and little food mor peple will die.
There will also be riots in the streets, criminals acts will increase, this could come from stealing to murdering for food, the animal kingdom will basically go near extinction if the government can’t control its people from hunting, ultimately governments might collapse under the demands of the people.

Why is oceanic crust subducted under continental crust?A. Oceanic crust is moving faster than continental crust.
B. Oceanic crust is denser than continental crust.
C. Oceanic crust is less dense than continental crust.
D. Oceanic crust is older than continental crust.

Answers

Answer:

B.) Oceanic crust is denser than continental crust.

Explanation:

Oceanic crust is denser, so it is subducted under the continental crust. The less dense magma then rises up through the continental crust, then it's further increasing the size of the continental crust and then maintaining it's lower density than the oceanic crust, which then causes subduction.

I hope this helped. I am sorry if you get this wrong.

Answer:

B.) Oceanic crust is denser than continental crust.

Explanation:

I just did it and got it right :)

Which description best explains Watson and Crick's DNA model?

Answers

Answer: Double Helix model of DNA

Explanation: Which description best explains Watson and Crick's DNA model?. A:DNA single stranded molecule that has nitrogenus base towards its exterior . . B:DNA is a double-helix made of 2 strands linked together with hydrogen bonds . C:DNa is a double-helix that contains nitrogenious bases towards its exterior.

The double Helix model of DNA proposed by Watson and Crick is the most widely accepted model for the structure of the DNA. It features a right-handed double stranded polynucleotide DNA with molecules spirally twisted around each other and coiled around a common axis. Consisting of two sugar-phosphate backbones on the outside, it is bounded together held by hydrogen bonds between pairs of four nitrogenous bases (A, C, G and T) on the inside with pairing occurring always between A and T and, C and G.

Two twisting strands of paired nucleotides

Cells that do not have a true nucleus are called _____?

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Answer:

Prokaryotes

Explanation:

How does human activity affect earths freash water resources

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Answer:

People throw their trash and pollution into the fresh water and make it not as fresh or safe to the animals as much as it could be.

Explanation:

One adaption to life in flowing water is what?

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Answer:

Explanation:

There are many options, here are a few choices:

Fast moving water tends to be colder than slow water; some of it originates as snow melt on the sides of mountains, for example. For this, animals in fast water tend to be more cold resistant. This is why you do not see fish like freshwater trout in equatorial regions. These animals struggle and die in slow, warm water.

Fast moving water means that if the animal or plant wants to stay put, it must resist the flow. Fish tend to be far more muscular and lean in these places, while insects like stoneflies, mayflies, and other larvae have ways to secure themselves to rocks and plants while growing. Plants develop strong root systems, and algae hold fast in rocky crevices in the river. Some animals also have suction in order to stay in place where there is fast flowing water.

Some animals have to adapt their reproductive systems as well. Because finding a mate is difficult in the sweeping waters, breeding tends to happen all at one time. As an example, salmon have runs, where thousands of fish all swim upriver at once to breed, can dramatically alter the surrounding ecology of the river. Insects like mayflies have hatches, where hundreds of thousands of flies swarm into the air at once to breed and lay eggs.
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