Alternation of generations :)
Look here for an indepth explanation
<span><span>https://www.boundless.com</span>/.../evidence-of-evolution-498-11724</span><span>
</span><span><span>planetward.org/files/change_over_time</span>0001.pdf</span><span>
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Answer:
its A. body color and tail shape on study island
Explanation: