I believe the answer is a
Answer:
Possession of inherited adaptations that maximize fitness.
Explanation:
Basically ones that are best adapted for their environment. (I'm assuming "he" is Darwin?)
A- valve replacement
b- stents
x- heart transplant
Answer:
we need one for somatic cell division and one for sexual/reproductive
Explanation:
mitosis is used for somatic (body) cells like when you get a cut and then meiosis is used to reproduce gametes and make embryos
Answer:
D.
Explanation:
Explained by natural selection. Those with favored traits in an environment are more likely to survive and pass down the allele. Thus in this situation a grey rabbit is more likely to survive and blend in.
