Answer:
The correct answer is a. resource partitioning
Explanation:
Resource partitioning is a strategy that species employ to avoid competition. It is based on the selection of different nutrition sources by different organisms that coexist in the same ecological niche, so there is no conflict between them. In the present case, each one of the eight species of woodpeckers feed on different trees, it means that each one select a different tree´s species or, if they select the same species, they use trees of different diameters.
The main and the most promising difference between active and passive transport is, passive transport does not require energy while active energy does.
Answer:
Altitude
Explanation:
Its the elevation of an object above sea level.