Answer:
e. derived characters
Explanation:
Any characteristic change which is transfer to the new species from ancestors but is different from the original character. It will be called as derived character.
But if the same character is transfer from ancestor to the new species this will called as ancestral character.
The innermost cells of the epidermis are continuously dividing through mitosis to form new cells. The newly formed cells move up through the epidermis toward the skin surface, while producing a tough, fibrous protein called keratin.
A reason to theory should support the theory , and it can be testified also, otherwise it will not be considered as scientific theory.
So according to above explanation
<span>C. testable . . . supported is the correct answer.</span>