Roles of Organisms in Ecosystems

Nonliving things in an ecosystem are called

• biotic
• abiotic
• consumers
• producers

Carnivores that eat freshly dead organisms are

• herbivores
• decomposers
• omnivores
• scavengers

Which is the correct movement of energy through an ecosystem?

• sun - producer - consumer - decomposer
• decomposer - consumer - producer
• producer - decomposer - consumer - sun

Omnivores eat

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

Which animal can be classified as a carnivore?

• Mouse
• Bug
• Grasshopper
• Snake

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

• producer
• omnivore
• scavenger
• carnivore

What energy role describes an organism that makes its own food, usually by using energy from the sun?

• consumer
• producer
• carnivore
• decomposer

Consumers that eat only meat are called

• decomposers
• herbivores
• carnivores
• omnivores

Herbivores eat

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

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

• consumer
• producer
• autotroph
• sunlight