Biology

The correct answer is: B.Parasitism.

In this relationship, the aphids benefit by feeding on the plant's sap (which contains nutrients), while the plant is harmed because it loses vital nutrients, potentially weakening it and reducing its growth. This is a typical example of parasitism, where one organism benefits at the expense of the other.

Here’s a breakdown of the other options:

A.Predation:

Predation occurs when one organism kills and eats another for food. In this case, aphids do not kill the plant; they only harm it by feeding on it. So, this is not predation.