Ecosystem

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

• predator

• producer

• ecosystem

• abiotic factor

An organism that can make its own food

• decomposer

• producer

• consumer

Breaks down and feeds on the remains of other organisms

• decomposer

• consumer

• producer

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

• decomposer

• consumer

• producer

Choose the producer.

• rock

• tree

• cow

• bird

Choose the decomposer.

• grass

• elephant

• bacteria

• bird

Choose the consumer.

• mushroom

• horse

• tree

• grass

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

What is scarcity and how could it affect an ecosystem?

• Too many animals or plants in an area can cause the ecosystem to fail.

• Too many animals or plants in an area can cause the animals to be too fat.

• Too few animals or plants in an area can cause other animals to go hungry or die.

• Too few animals or plants in an area can cause pollution.