An organism with a mutated cell A most likely won’t pass its mutation down to offspring.

B is more likely to survive than an organism without that mutation.

C decreases the amount of genetic variation.

D likely developed in order to help a species survive and grow.
PL HELP M

it should be D or B

Explanation:

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.