Answer:
E.
Explanation:
Genes are segments on DNA that code for specific proteins and come in various forms called alleles.
Overgrazing is a cause of desertification, so c.
Answer:
1.chemical receptors
2. nerves carry signal to the brain
3. nerves carry signals to the muscle
4. the brain process these signals
5. the shark changes direction and swims towards pray
Explanation:
