D - an increase in tree cover in the tundra.
Answer:
Mutation and sexual reproduction
Explanation:
<h2>HOPE IT HELPS </h2>
Answer:
The somatic cells of fruit flies contain eight chromosomes, which means they have two sets of four chromosomes. Meiosis is the process by which sex cells are produced. Sex cells are haploid, which means they have one set of chromosomes.
Explanation:
