"Evolution says that change happens slowly, so similar traits usually suggest a closer relationship. How then do you explain how some organisms can be distantly related and yet have shared features (for example, birds and bats are not very closely related, yet both have wings"

the answer is "a.) well–developed vascular system."

explanation:

i believe it is c: genes for body color and wing size are inherited separately from each parent.

cuz some people don't have enough food. that's why we need more ppl to donate food to the hungry.

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;