Answer: A. Accumulate keratohyalin granules. B. Cells increase in size, some retain ability to divide. C. Cell membrane thickens. Cells imbedded in lipid matrix. D. Cells within this layer proliferate.
Explanation:
Answer:
9) Mitosis
10) diffrent
11) no sure
12) genetic variation
self-copying molecules ate the primordial soup
