Several squirrels move into a new area and join an existing population of squirrels, changing the genetic makeup of the population. This is an
example of... *

i believe the answer is c

paper covers rock.

explanation:

rock only smashes scissors.

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;