D. 99% of all living things that have ever existed are now extinct
Answer:
WBC.
Explanation:
WBC have cells, hence the name White Blood CELLS. They also contain a nucleus.
Answer:
False
Explanation:
They are genetically identical to the parent cells, but different from eachother.
As epithelial makes the outer covering of all the organs and skin is also made of epithelial...so to be sure that it does not get depleted or destroyed due to friction and other external cause ...it should be highly generative !