Why are planets slightly closer to the sun at certain points in their orbit?

!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.

Cells destroy body cells infected by a virus or bacteria.

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