Answer:
b
Explanation:
because the answer is obvious
Answer:
The populations become adapted to different environments and eventually become so different that they cannot interbreed to produce fertile offspring.
Speciation is the evolution of one species into two different kinds, and when they become isolated, that is the final step, since they cannot interbreed any longer.
<span>The biological term for such organisms is "deuterostomes". Those who's first opening is the mouth are called protostomes.
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<span>The theory of special creation proposed that species are independently created and immutable over time. Darwin observed that species are related and change over time.</span>
