A mutation is harmful to an organism if it ___.

a. changes the DNA of the organism

A

Explanation:

A is the only option.

Where are the other ones?

Mutations are harmful because any change in DNA can change a lot

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.