5. Fill in the blank: In general, as prey numbers go
_(up/down), predator numbers
I
go
(up/down). When there are many predators, the number of prey
(increases/decreases).

Study this image which statement best describes the rock shown check all that apply

What term describes a doctor who becomes a specialist by meeting standards beyond those of getting a license and passing a test in the specialty area?

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?