Plasma membranes are selectively permeable. this means that

a)anything can pass into or out of a cell as long as the membrane is intact and the cell is healthy.
b)plasma membranes must be very thick.
c)the plasma membrane allows some substances to enter or leave a cell more easily than others.
d)glucose cannot enter the cell.

Letter C

Explanation:

Selective permeability is a property of cellular membranes that only allows certain molecules to enter or exit the cell.

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.

meiosis is the correct answer