Cells have receptors on their surfaces to sense their environment and to communicate with other cells. viruses use these cell receptors to

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 is an important function of normal flora? a. aid with bone marrow production. b. crowd out pathogenic bacteria. c. destroy digestive track pathogens. d. manufacture iron in the bloodstream.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time