Answer:
Oxygen is moved around the body of an echinoderm in its C. water vascular system.
Explanation:
One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome is allele.
Answer:
type 1 diabetes and cancer
Explanation:
All the others are contagious diseases that you can contract, but type 1 diabetes and cancer can be caused by genetics. The others are all things that you can usually recover from while cancer and diabetes are usually conditions that cannot be escaped sadly.
Answer:
first and third one
Explanation:
animals need the oxygen they make. and animals eat the plants. if an animal doesnt eat plants it eats somthing that does. sorry for the typos.