Food Chains and Ecosystems Quiz

Producers could not make food without

• sunlight

• predators

• decomposers

What do food chains show?

• They show that producers are plants

• They show how energy flows through an ecosystem

A mouse is a producer or consumer

• Producer

• Consumer

What do decomposers do?

• Eat other consumers for energy

• Break down organisms that are no longer living

Most food chains begin with

• producers

• consumers

• decomposers

Which shows a path of food energy?

• Sun-fish-plant-bear

• Bear-fish-plant-sun

• Sun-plant-fish-bear

• Plant-fish-bear-sun

Bacteria, fungi and earthworms are all?

• Scavengers

• Decomposers

• Consumers

• Producers

Predators are animals that

• hunt other animals

• are plant eaters

• produce their own food

All food webs include

• insects

• mushrooms

• producers

In a predator -prey relationship, when the predator population decreases, the prey population will probably

• increase

• decrease

• stay the same