Food Chains

Energy is passed along the organisms in a food chain. What is the original source of the energy?

• decomposers
• consumers
• producers
• sun

What is the name for the organism that eats the producer?

• primary consumer
• secondary consumer
• tertiary consumer
• producer

Organisms that can make their own food are called

• decomposers
• consumers
• producers

The organism that eats the secondary consumer is called the

• primary consumer
• tertiary consumer
• secondary consumer
• producer

What is the name for the organism that eats the primary consumer?

• secondary consumer
• tertiary consumer
• producer
• decomposer

Consumers can make their own food

• True
• False

Which organism is the apex (top) predator in this ecosystem?

• algae/seaweed
• sea lion
• killer whale
• penguin

Which organism is the tertiary consumer in the food chain pictured?

• sea lion
• killer whale
• penguin
• small fish

Which organism is the producer?

• small fish
• penguin
• algae/seaweed
• killer whale

Earthworms help break down plant and animal remains and return the nutrients back into the soil. What are earthworms?

• consumers
• decomposers
• producers
• predators