Correct answer will recieve a mark of "the brainliest answer" so much! : )

which statement is true of dna polymerase?

it makes copies of bacteriophages.

it ensures there is only one origin.

it adds bases in only one direction.

it starts the process of cell division.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.