Food chains, food webs and energy pyramids

The path of food energy in an ecosystem from plants to animals.

• omnivore

• food chain

• producer

• consumer

An animal that eats only other animals

• producer

• herbivore

• omnivore

• carnivore

An animal that eats both plants and animals

• carnivore

• omnivore

• herbivore

• producer

An animal that eats only plants

• omnivore

• carnivore

• herbivore

• fox

Where do green plants get most of the energy they need to make their own food?

• carbon dioxide

• oxygen

• sunlight

• water

What is the term for food chains that overlap

• consumer

• food web

• extinction

• producers

What is the name for consumers that are eaten by other consumers?

• prey

• fossils

• predators

• carnivores

What type of organism is at the beginning of every food chain?

• predator

• carnivore

• producer

• herbivore

What role do plants play in a habitat?

• They produce food energy from sunlight.

• They break down dead matter.

• They are prey for predators.

• They recycle nutrients from dead matter.

This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?

• sharks and large birds

• algae, plankton and seagrass

• herbivorous fish, crustaceans and sea urchins

• seals and carnivorous fish