Which of the following is not true about dna?

a.) the four nitrogenous bases are adenine, guanine, uracil, and cytosine.
b.) dna is made up of monomers called nucleotides.
c.) the structure of dna is a double helix.
d.) deoxyribose is a sugar found in dna.

I think the answer you are looking is

A. the four nitrogenous bases are adenine, guanine,uracil, and cytosine.

or

C. the structure of DNA is a double helix.

(im not sure if its correct)

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.