Answer: A
Explanation:
Both C4 and CAM have certain adaptations - like spatial or temporal differences that allow photosynthesis to occur in plants that live in very hot, dry environments where woter loss would be bad.
have cells.
use energy.
reproduce.
respond to the environment
grow and develop.
C. Mice to cats because cats eat mice
Leukemia can be treated using human stem cells to attack and destroy cancer cells.