Which organism below in the food web is found in the first trophic level of the ecosystem? -Cougar
-Coyote
-Acorns
-Mouse

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

The negative impacts of nonnative species generally outweigh the positive impacts

What drives an advertising campaign?