Question

Which term best describes the relationship between Adélie penguins and crabeater seals?

A. parasitism
B. predation
C. competition
D. mutualism

Which statement describes how mutualism and commensalism are similar?

A. The relationship benefits both organism.
B. At least one organism is hurt or harmed by the relationship.
C. The relationship is beneficial to neither organism.
D. At least one organism benefits from the relationship.