Question

ticks, fleas and tapeworms are all examples of what group of organisms? prey predators parasites

Explanation:

Prey are organisms hunted for food, predators hunt other organisms, while parasites live on or in a host and derive nutrients at the host's expense. Ticks, fleas, and tapeworms live on/inside hosts (like animals or humans) and benefit at the host's cost, fitting the parasite definition.

Answer:

parasites