The freshwater leech is an organism that feeds off of the blood of other organisms such as frogs and turtles. Which interaction describes the relationship between freshwater leeches and frogs or turtles?
A) herbivory
B) predation
C) mutualism
D) parasitism

Question

Quizplus · Accepted Answer

The relationship between freshwater leeches and frogs or turtles is parasitism because the leeches benefit by feeding on the blood of the host organism (frog or turtle) while the host organism is harmed by the loss of blood.

The Freshwater Leech Is an Organism That Feeds Off of the Blood