Ecology Quiz

An earthworm that eats the decaying remains of plants and animals would be an example of a

• herbivore

• carnivore

• detritivore

• autotroph

A cow that feeds only on plants would be an example of a

• omnivore

• herbivore

• producer

• carnivore

The series of steps in which a large fish eats a small fish that has eaten algae is a

• food chain

• food web

• food change

• pyramid of biomass

Nutrients move through an ecosystem in

• water cycles

• pyramid of energy

• nitrogen cycle

• biogeochemical cycles

Process in which chemical energy is used to produce carbohydrates is called

• photosynthesis

• chemosynthesis

• decomposer

• dicot

Which of the following nutrient cycles do not travel to and through the atmosphere?

• nitrogen

• carbon

• phosphorus

• oxygen

What is the limiting nutrient in the ocean?

• nitrogen

• phosphorus

• nitrate

• nitrite

What is process called when animals chew their food for a long time so they can fully digest grass and leaves?

• sod

• cod

• food chewing

• cud

Network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem

• food web

• trophic level

• food chain

• food wed

Organism that is able to capture energy from sunlight or chemicals and use it to produce its own food

• nutrient

• heterotroph

• autotroph

• biomass