Answer:
generic variation helps species survive because it gives there offspring there traits to survive
Explanation:
Answer:
C) It involves interactions between biotic and
abiotic factors.
Explanation:
Ecosystems need energy imput, need both consumers and producers, and can exist on land, lakes, rivers and oceans.
Answer:
An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.
Explanation:
Answer:
Surgery, chemotherapy and radiation therapy
Explanation: