I believe it is A. Primary succession starts with plants and rocks.
an organism is resistant to a chemical if it has a gene that protects it from the chemical.
Answer: The redirection of blood flow from one organ system to another is an outcome of coordinated vasomotion – constriction of precapillary sphincters and capillary blood vessels in tissues where blood flow is discouraged, and dilation in tissues where blood flow is promoted.
Explanation:
Answer:
b converting energy from one form into another
Explanation:
