Should be prophase because chromatin coils up, becoming shorter and thicker, thick enough to become visible when stained.
Gradualism is referred to the theory about how fast evolution occurs in this type of species.
<h3>What is
Gradualism?</h3>
This type of evolutionary changes occurs gradually and not in large steps or volume.
This however explains why the species had very little changes for a very long time as a result of the environment being best suited for them.
Read more about Gradualism here brainly.com/question/20463574
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The answer is B- Vibrate <span>with the frequency of the received sound.</span>
