Question

An someone help me i know this not math Which is part of the theory of evolution by natural selection?
a. Evolution can only cause small changes to a species.
b. Animals that survive cannot pass along their adaptations.
c. Adaptations cannot be passed along to the next generation.
d. Only the best-adapted animals in a population survive.

Answer 1

A simple way to state the basic idea behind, "natural selection" or "Survival
of the fittest" or "evolution" or "Darwin's theory" is:  The best adapted living
things in a population are the ones whose descendants, possibly after several
generations, eventually survive to produce more of their species. 
The closest choice is d).