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Katarina [22]
3 years ago
12

How does natural selection affect species?

Biology
1 answer:
Ann [662]3 years ago
7 0
It affects species by killing the weakest ones. only the strong survive. Its like survival of the fittest.
 
It also helps populations adapt and evolve
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Which term refers to the microscopic physical gap between the presynaptic and postsynaptic neurons at a chemical synapse
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The gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

The neurons are the smallest units of the nervous system. They are equally referred to as the nerve cells.

The presynaptic neurons that receives the fired action potential through its axon terminals.

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Therefore, the gap between the presynaptic and postsynaptic neurons at a chemical synapse is the Synaptic cleft.

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brainly.com/question/24261198

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