What part of natural selection does a rabbit's coat color illustrate?

a. differential reproduction
b. variation
c. overproduction
d. struggle for existence

B

Explanation:

All rabbits have different coloured coats, so it is influenced by an individuals genes. But it can also be influenced by natural selection, depending on their ability to camouflage.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

the right answer is d