3.3 Ecological Relationships TEST Review

Front

What is mutualism?

Back

A symbiotic relationship in which both organisms benefit from the interaction.

Front

What is commensalism?

Back

A relationship in which one organism benefits and the other is unaffected.

Front

What do the arrows in a food chain or web represent?

Back

They show what direction the energy is flowing between organisms.

Front

Give an example of mutualism.

Back

A clownfish living in a sea anemone, where the clownfish gets protection and the anemone gets food.

Front

Give an example of commensalism.

Back

A feeder fish following a shark to eat food scraps left behind, benefiting the fish while the shark is unaffected.

Front

What is parasitism?

Back

A symbiotic relationship in which one organism benefits at the expense of the other.

Front

Define competition in ecological terms.

Back

A relationship where two or more organisms compete for the same resources, such as food, water, or space.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.