A leech attaches to an animal and feeds off the animal's blood.

Question

What happens to the animal the leech attaches to in this scenario?

It loses nutrients to the leech.
It gains nutrients from the leech.
It will be killed and eaten by the leech.
It will kill and eat the leech.

Answer 1

In this scenario, the correct answer is:

It loses nutrients to the leech.

When a leech attaches to an animal and feeds on its blood, the animal loses blood and, consequently, nutrients that are present in the blood. The other options do not accurately describe the interaction in this situation.