Answer:
D. A signal is sent down an exon within a nerve cell
Explanation:
The main portion of the cell is called the soma or cell body. It contains the nucleus, which in turn contains the genetic material in the form of chromosomes. Neurons have a large number of extensions called dendrites.
<span>An animal with these such features would be well suited to live in environment like the rain forest. Its long limbs and tail would allow it to swing from tree to tree, and also reach up into the trees to gather food. The hand-like paws would make climbing easier, and allow the animals to grab food from higher places.</span>
D.
They break down dead organisms.
