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Svetllana [295]
3 years ago
15

The snowshoe rabbit has white fur in winter and dark fur in summer. What is the main survival advantage of this fur color change

to the rabbit?
A) The light fur keeps the rabbit from getting sunburned in summer.
B) The fur color is an adaptive form of camouflage to avoid predators.
C) The dark fur absorbs more sunlight so the rabbit is warmer in winter.
D) The white fur is more valuable to fur trappers, so the animal will be trapped and better fed in winter.
Biology
2 answers:
jenyasd209 [6]3 years ago
6 0
B. I think. I'm sorry if I am wrong.
Luba_88 [7]3 years ago
6 0
I believed the answer is B
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Answer:

If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of the same intensity there will be no changes in the potential in the firing zone.

Explanation:

Under normal conditions, the transmembrane potential depends on the ionic charges present in the intracellular and extracellular spaces. The extracellular space load is usually positive and in the cytoplasm is negative.

  • <u>Depolarization</u> occurs by opening ion channels that allow sodium to enter the cell, making the intracellular space more positive.
  • An opening of potassium channels releases this ion to the extracellular space, leading to <u>hyperpolarization</u>.

An excitatory synapse is one capable of depolarizing a cell and boosting the production of action potential, provided it is capable of reaching the threshold of said potential.

On the other hand, an inhibitory synapse is able to hyperpolarize the cell membrane and prevent an action potential from originating, so that they can inhibit the action of an excitatory synapse.

The interaction between two synapses, one excitatory and one inhibitory, -called synapse summation- will depend on the strength that each of them possesses. In this case, the intensity of both synapses being the same, there will be no changes in the membrane potential in the firing zone.

Learn more:

Excitatory and inhibitory postsynaptic potentials brainly.com/question/3521553

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