A. external
These types of signals are observed when there is a cut on the body. The epidermal cells lose contact with one another and divide faster until they are in contact once again. After they come into contact, division slows down again.
Answer:
Since marine life can only see blue, n creature would have evolved anything but blue colors because that would not have helped their survival
Explanation:
The correct answer is: [D]:
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" <span>The two populations will evolve separately and become their own species. "
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Answer is A. restriction enzyme
In biology ,Restriction enzyme is known as a scissor.
