What is the first step in primary succession

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.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun