B. It delivers nutrients and oxygen.
<span>harsh conditions.
</span><span>high scalers' work </span>
The answer would be C: The gulf sturgeon population will decline due to loss of habitat
Answer:
An individual organism that supplies living tissue to be used in another body, as a person who furnished blood for transfusion or an organ for transplantation in a histocompatible recipient that doesnt function.
Explanation:
DNA molecules are arranged as a tightly coiled helix
