Section 3 Interactions Between Organisms

Front

What is mutualism?

Back

A type of symbiotic relationship where both organisms benefit from the interaction.

Front

Give an example of mutualism.

Back

The relationship between acacia trees and ants, where ants protect the tree and receive food and shelter in return.

Front

What is commensalism?

Back

A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

Front

Give an example of commensalism.

Back

Cattle egrets feeding among cattle, benefiting from insects stirred up by the cattle.

Front

What is parasitism?

Back

A type of symbiotic relationship where one organism benefits at the expense of the other.

Front

Give an example of parasitism.

Back

A tapeworm living in the intestine of a cat, absorbing nutrients from the cat.

Front

What is competition in ecology?

Back

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

Front

What are lichens?

Back

A symbiotic association between fungi and algae, where fungi provide water and algae perform photosynthesis.

Front

What is predation?

Back

A biological interaction where one organism (the predator) kills and eats another organism (the prey).

Front

What is an ecosystem?

Back

A community of living organisms interacting with their physical environment.