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Phoenix [80]
4 years ago
6

What are characteristics of natural selection select three options

Biology
1 answer:
Dimas [21]4 years ago
4 0

Answer:Appearance, population and inheritance.

Explanation:

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At Plymouth Elementary, first- through third-graders learn in a multiage classroom where children of varying ages and abilities
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<h2>Principle of peer collaboration</h2>

Explanation:

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3 0
3 years ago
Place the following events that occur at the vertebrate neuromuscular junction in the correct order. I Depolarization of the mus
meriva

Answer:

Generation of an action potential in the neuron.

Stimulation of Ca2+ entry into the neuron

Release of acetylcholine into the synapse

Depolarization of the muscle fiber membrane

Explanation:

The following events takes place in the vertebrate neuromuscular junction

a) Nerve Action Potential - Action potential reaches the axon terminal

b) Entry of calcium ion - The calcium ion reaches the axon terminal and enter into the presynaptic terminus after which the Synaptic vesicles fuse with the membrane of axon terminal

c) Releasing of Arch Quanta - Acetylcholine is released into synaptic cleft which then  binds to the receptor sites on motor end plate

d) The  Na+/K+ channels opens and Motor end plate becomes depolarized.

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Imagine disease kills 85 percent of the wolf population. How will it affect the other organisms?
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