6. Digestion that occurs in a sac or a tube is re-
ferred to as (1) phagocytic (2) intracellular (3)
extracellular (4) heterotrophic

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? a. the population of predators will be uniform with no change. b. the population of predators will increase first and then decrease slowly. c. the population of predators will increase continuously.

Which sequence correctly shows the path of carbon dioxide during repiration?

What must be done to breed dogs for a partical trait