The answer is beak shape of the birds. The finches evolved to have different beak shapes to be able to eat the food available on the different islands.
Answer:
Increase in population of species A and B.
Explanation:
It is expected the increase occur in the population of species A and B. There is an increase occur in the population of species a and b because of the absence of predators for both species in that environment while on the other hand, the population of specie C decreases due to presence of predators so the data indicates the increase in species A and B whereas decrease in specie C.