Energy Transfer and Ecosystem Interactions

Front

Pioneer species

Back

The first organisms to populate an area where no life existed before.

Front

Producer

Back

An organism that can make its own food, typically through photosynthesis.

Front

Energy source for Level A organisms

Back

The sun.

Front

Habitat

Back

The environment where an organism lives.

Front

Competition

Back

The struggle between organisms for the same resources, such as food.

Front

Primary consumer

Back

An organism that eats producers; typically herbivores.

Front

Decomposer

Back

An organism that breaks down dead organic material, returning nutrients to the ecosystem.

Front

Carnivore

Back

An organism that primarily eats other animals.

Front

Niche

Back

The role or function of an organism within its ecosystem.

Front

Ecosystem

Back

A community of living organisms and their interactions with the environment.