: Two species benefit from interaction with each otherExample: A hummingbird gets food from the nectar of a flower and then spreads the nectar’s pollen, helping the flower reproduce.

Mutualism is an interaction in which both species benefit. The hummingbird gets food from the flower’s nectar, while the flower benefits when the hummingbird spreads its pollen and helps it reproduce. Therefore, the correct choice is Mutualism.

AI-written and checked against the verified answer.