Food chain

Examples of a producer

• frog
• algae
• worm
• mouse

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

What do the arrows show in a food chain picture?

• They always point to the smallest animals.
• They point to the animal that tastes the best.
• They always point to the producers.
• They point in the direction that energy is flowing.

An organism that lives by breaking apart dead organic matter into simpler parts is...

• scavenger
• consumer
• decomposer
• carnivore

An animal that eats other animals is a....

• carnivore
• omnivore
• herbivore
• decomposer

Animals that are being hunted and eaten by predators.

• prey
• extinct

Recently, a family of bobcats moved into an area with a large rabbit population. What changes may occur in the ecosystem?

• The rabbit population may increase
• The rabbit population may decrease
• The rabbit population may increase first, then decrease
• The rabbit population will remain the same

A population of mice lives in a barn community. A cat population has just joined the community. What will happen?

• Mouse and cat populations both go up?
• Mouse and cat populations both go down
• Mouse population goes down as cat population goes up
• Mouse population goes up as cat population goes down

An animal that eats only plants is an...

• carnivore
• omnivore
• herbivore
• decomposer

Which of the following is a producer?

• Maple tree
• Sunfish
• Bunny
• Bear