Question

An example of a relationship

where one organism gains but
the other is harmed would
be...
A. a tick on a deer.
B. a bird building a nest in a tree.
C. a fish swimming upstream.

Answer 1

a) a tick on a deer.

Step-by-step explanation:

A tick on a deer is an example of a relationship where one organism gains but the other is harmed.

Here the tick gets energy, but the deer loses its blood. Therefore, the option (a) is the correct answer.