Populations & Communities Review

an organism that gets energy by eating other organisms

• producer

• consumer

• predator

• prey

an organism that gets energy such as sunlight from the environment and makes its own food

• producer

• consumer

• predator

• prey

an animal that hunts other animals for food

• producer

• consumer

• predator

• prey

an animal that is hunted

• producer

• consumer

• predator

• prey

a close relationship between two species that involves an exchange of energy

• symbiosis

• parasitism

• mutualism

• commensalism

a symbiotic relationship in which both partners benefit

• symbiosis

• parasitism

• mutualism

• commensalism

a symbiotic relationship that benefits one species but does not harm or help the other

• symbiosis

• parasitism

• mutualism

• commensalism

a symbiotic relationship that benefits one species and harms the other

• symbiosis

• parasitism

• mutualism

• commensalism

A tick and a dog have this type of relationship.

• mutualism

• commensalism

• parasitism

Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.

• Mutualsim 
• Parasitism 
• Commensalism