Ecosystems and Classification

An organism that can make its own food.

• Consumer

• Producer

• Decomposer

• Niche

An organism that obtains energy by feeding on other organisms.

• Decomposer

• Producer

• Consumer

• Habitat

An organism that breaks down waste and other organisms.

• Decomposer

• Composer

• Producer

• Energy

A diagram that shows the amount of energy that moves from one feeding level to another in a food web.

• Food web

• Energy pyramid

• Ecosystem

• Habitat

A biological community of interacting organisms and their physical environment.

• Habitat

• Energy pyramid

• Community

• Ecosystem

Any relationship in which two species live closely and interact.

• Community

• Symbiosis

• Habitat

• Biome

A symbiotic relationship in which both species benefit from the association.

• Commensalism

• Parasitism

• Predator

• Mutualism

Occurs when one species benefits from the association while the other in neither helped nor harmed.

• Commensalism

• Parasitism

• Predator

• Mutualism

Occurs when one organism lives on or inside another organism and harms it.

• Commensalism

• Parasitism

• Predator

• Mutualism

An organism that eats other organisms to live.

• Prey

• Predator

• Mutualism

• Commensalism