Ecosystems Pretest

An ________ eats both plants and animals.

• carnivore
• omnivore
• herbivore
• producer

A ______________ eats mainly other animals.

• carnivore
• omnivore
• herbivore
• decomposer

A ____________ breaks down waste or dead organisms and recycles nutrients.

• consumer
• producer
• decomposer
• omnivore

A(n) ________________ eats mainly plants.

• producer
• carnivore
• herbivore
• omnivore

An animal that hunts for its food

• prey
• predator
• producer
• decomposer

An animal that is hunted for food.

• predator
• prey
• consumer
• decomposer

Shows how energy flows from one organism to another.

• food cycle
• prey chain
• food chain
• predator cycle

an organism that makes its own food for energy

• consumer
• predator
• prey
• producer

an organism that cannot make its own food

• consumer
• producer
• tree
• leaf

Which is the best description of an ecosystem?

• all of the living and nonliving things in an area
• all of the individuals of one species in an are
• all of the populations of living things in an area
• all of the abiotic factors in an area