Which is biotic?
a. wind
b. iron gate
c. sunlight
d. dead leaf

!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.

Variety of living organisms; includes genetic, species, and ecological types.

In each transformation of energy , some energy what?