Question

A species of insect is newly introduced into the United States from the Philippines. This insect becomes established, laying its eggs on the leaves of oak trees. How can a biologist determine if the relationship between the insect and the oak tree is commensalism, mutualism, or parasitism?

Answer 1

The answer is commensalism.

(full answer: D) If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.)

Step-by-step explanation:

The insect benefits, but the tree that the insect has made laid it's eggs on is neither harmed nor benefits, that is called commensalism.

Answer 2

D:

If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.