the answer is pioneer species
Answer:
Explanation:
Doctors,nurses and other medical stuff must study biology to learn how to aid both humans and animals. Learning about the human bodys inner processes, organs, neurological system, blood, reproduction development and diseases all prove essential for treatment and research.
DNA is the ultimate control of cell's productions. So A.
Answer: B
Explanation: The amount of salt in the inner circle is equal to the amount of salt in the outer circle.
The answer is carbohydrate.