Energy in Ecosystems

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

• consumer
• producer
• carnivore
• decomposer

All of the following are types of consumers EXCEPT for

• carnivore
• herbivore
• omnivore
• producer

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

• decomposers
• scavengers
• carnivores
• producers

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

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

• scavenger
• decomposer
• carnivore
• herbivore

What are the smallest of all living things?

• Atoms

• Cells

• Molecules

• Viruses

Which organism must eat other living things for energy?

• Consumer

• Producer

• Decomposer

• Plants

Which organism breaks down dead plants and animals?

• Consumer

• Producer

• Decomposer

• Predator

Where does the energy in a food chain come from?

• Sun

• Predators

• Prey

• Scavengers

A consumer that eats ONLY other consumers is a ___________.

• Prey

• Herbivore

• Omnivore

• Carnivore