The Roles of Organisms in Ecosystems

The Roles of Organisms in Ecosystems

Multiple Choice

Omnivores eat

• meat only
• plants only
• both meat and plants
• freshly dead organisms

Multiple Choice

Herbivores eat

• meat only
• plants only
• both meat and plants
• freshly dead organisms

Multiple Choice

Consumers that eat only meat are called

• decomposers
• herbivores
• carnivores
• omnivores

Multiple Choice

All of the following are types of consumers EXCEPT for

• carnivore
• herbivore
• omnivore
• producer

Multiple Choice

What energy role describes an organism that cannot make its own food and therefore gets energy by eating other organisms?

• consumer
• producer
• autotroph
• sunlight

Multiple Choice

A consumer in an ecosystem gets its energy by:

• consuming, or eating, other organisms

• breaking down dead organisms

• drinking water

• using the sun to make its own energy

Multiple Choice

A producer in an ecosystem gets its energy by:

• consuming, or eating, other organisms

• breaking down dead organisms

• drinking water

• using the sun to make its own energy

Multiple Choice

An maple tree takes in energy from the sun and uses it to make food for itself. This energy role is

• herbivore
• omnivore
• producer
• consumer

Multiple Choice

Vultures use their excellent sense of smell to find newly dead organisms to eat. This energy role is 

• scavenger
• decomposer
• carnivore
• herbivore

Multiple Choice

Cows eat grass and corn. This energy role is

• carnivore
• omnivore
• herbivore
• decomposer

Multiple Choice

Wild pigs eat leaves, plant roots, flowers, lizards, and snakes. This energy role is

• producer
• omnivore
• herbivore
• scavenger

Multiple Choice

Earthworms eat decaying living material in the soil, and then return that energy to the ecosystem. This energy role is

• decomposer
• autotroph
• herbivore
• omnivore

Multiple Choice

Great white sharks eat fish, rays, and other sharks. This energy role is

• producer
• omnivore
• scavenger
• carnivore

Multiple Choice

Carnivores that eat freshly dead organisms are

• herbivores
• decomposers
• omnivores
• scavengers

Multiple Choice

These organisms break down decaying biotic wastes and then return the materials to the ecosystem.

• decomposers
• scavengers
• carnivores
• producers

Multiple Choice

A decomposer in an ecosystem gets its energy by:

• consuming, or eating, other organisms

• breaking down dead organisms

• drinking water

• using the sun to make its own energy