Category 1
Category 2
Category 3
Category 4
Category 5
100

Trophic level

An organism’s position on a food chain.

100

Producer

An organism that is capable of performing photosynthesis, transforming energy from the Sun, and using carbon dioxide and water to make food.

100

Consumer

An organism that must consume other organisms for nutrients.

100

Primary consumer

An animal that eats the producers.

100

Secondary consumer

An animal that eats the primary consumers.

200

Tertiary consumer

An animal that eats the secondary consumers.

200

Biomass

Material derived from living things.

200

Matter

Anything that has volume and mass.

200

Food chain

A single linear path of energy transfer through the trophic levels of an ecosystem.

200

Food Web

A complex of interconnected food chains showing the trophic interactions in an ecosystem.

300

Decomposer -

Organisms, such as bacteria and fungi, that break down the remains of dead plants and animals without need for internal digestion.

300

Detrivore -

An organism that feeds on dead or decaying plant or animal remains.

300

Pyramid of Biomass

- The amount of energy passed on at each trophic level.

300

Energy Flow

The amount of energy moving through the food chain.

300

Group behavior

Behaviors that occur within or between groups of organisms.

400

Flocking

Gathering in a large group.

400

Schooling

When fish group together for social purposes.

400

Hibernation

A slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.

400

Animal behavior

All the ways animals interact with members of their own kind, other animals, and the environment.

400

Innate behavior

A genetically instinct behavior of an organism that can be expressed without prior knowledge or exposure.

500

Learned behavior

A behavior that is developed from experience.

500

Courtship

The behavior an animal uses to attract a mate.

500

Adaptable B

- The ability to adapt.

500

Social behavior -

Interactions between individuals of the same species.

500

Altruism -

An animal behavior that helps another of its kind.