The answer to the particular question is true.
<u>D.) Crossing over</u> is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.
Producers would be the correct answer.
Producers get energy from the sun and use it for producing
Mitosis cells is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.