A scientist wants to display how the number of frogs in a pond gradually declined over 10 -year period. What sort of visual display should the scientist use ?

Average annual precipitation and are the two major features that define the biomes on earth.

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.

Why do bacteria thrive even in hostile environments