Question

Which of the following statements correctly compares predation to commensalism?

In predation, one organism is harmed and one benefits. In commensalism, no one is harmed and one benefits.

In predation, both organisms are harmed. In commensalism, both benefit.

In predation, one organism benefits and one is harmed. In commensalism, both organisms benefit.

In predation, both organisms benefit. In commensalism, one organism is harmed and one benefits.

Answer 1

The first statement is correct:

- Predation: one organism (the predator) benefits and the other (the prey) is harmed (usually killed or eaten).
- Commensalism: one organism benefits and the other is essentially unaffected (neither helped nor harmed).