Environmental Education

Which type of organism would be found in the primary consumers of a pyramid?

• autotrophs

• carnivores

• herbivores

• omnivores

Select the phrase that best describes a consumer in a food chain.

• an organism that converts light energy into chemical energy.

• an organism that breaks down dead plants and animals.

• an organism that is at the bottom of the food chain.

• an organism that gets its energy by eating plants or animals.

____________ is the study of the interaction among living things and their environment.

Water and rocks are examples of biotic factors.

• true

• false

The process by which bacteria turns nitrogen gas into ammonia

• nitrogen fixation

• assimilation

• denitrification

• ammonification

Cycle that takes place at ground level?

• carbon cycle

• nitrogen cycle

• phosporus cycle

• water cycle

A population is a group of different species living in the same area.

• true

• false

_________shows the feeding relationship for a single chain of producers and consumers.

A pyramid that gives a count of the number of individuals in each trophic level is called ___________.

• energy pyramid

• biomass pyramid

• pyramid of numbers

• mathematical pyramid

The stability of a food web depends on producers.

• true

• false