Invasive species is the easiest way to answer this, with invasive species the diversity will likely decrease
DNA, Chromosomes, Nucleus, Cell, Organism
Explanation:
DNA makes up the Chromosomes, which are stored in the nucleus, which is the brain of the cell, and cells make up organisms.
<span>Many sexually active american adolescents fail to avoid pregnancy because they are not educated on contraceptive methods. </span>
Answer:
contraction and relaxation of the heart
Explanation:
An important role in fungi in an ecosystem is B. Breakind down dead organisms.
