Ecosystems: How Energy and Matter Move

What are the living and nonliving things in an environment or area?

• predator

• producer

• ecosystem

• abiotic factor

Breaks down and feeds on the remains of other organisms

• decomposer

• consumer

• producer

Interacting food chains found in an ecosystem

• food web

• food chain

• predator

An animal that hunts and eats other animals for energy

• prey

• predator

• decomposer

These organisms cannot make their own food; they must eat something for energy

• decomposer

• consumer

• producer

NON-living things found in an ecosystem

• biotic

• abiotc

• habitat

LIVING things in an ecosystem

• biotic

• abiotic

• ecosystem

Choose the decomposer.

• grass

• elephant

• bacteria

• bird

Where does the food chain START?

• with consumers that eat grass

• with the sun giving energy to producers

• with the sun giving energy to consumers

• with consumers eating other consumers

A decomposer is also a producer.

• True

• False