5. Three species A, B and C are found on an island. When C is artificially removed the niche of A expands, but that of B does not show any significant differences. If C is replaced and B is removed both A and C show some niche expansion, although that shown by A is larger than that shown by C.
a. What can you conclude about the interactions between species A B and C on the island? (Explain your reasoning)
b. A new species, D, is added to the island and Species C shows a strong tendancy to now eat larger seeds entire curve has moved toward the right for size of seed selected. What is the correct term for the change observed here?