Ecosystems Review

An ecosystem is...

• only the living things in an environment

• only the nonliving things in an environment

• all of the living AND nonliving things in an environment

• only the plants and animals

Producers are...

• all the animals in an ecosystem

• plants that make (or produce) their own food

• things that break down dead plants and animals and return nutrients to the soil

• nonliving

Decomposers are...

• all the animals in an ecosystem

• plants that make (or produce) their own food

• things that break down dead plants and animals and return nutrients to the soil

• nonliving

Consumers are...

• all the animals in an ecosystem

• plants that make (or produce) their own food

• things that break down dead plants and animals and return nutrients to the soil

• nonliving

All of the following are BIOTIC (living) except...

• trees

• fish

• water

• grass

Which list shows things that are ALL ABIOTIC (nonliving)?

• rocks, cows, chickens

• octopus, water, seaweed

• monkey, grass, air

• air, water, sunlight

Where does this food chain start?

• maize (or corn)

• snake

• lizard

• locust

What animal does the lizard eat?

• maize (or corn)

• snake

• lizard

• locust

What is EVERYTHING the hawk eats?

• grass and rabbit

• lizard, grasshopper, rabbit, mouse, snake

• snake, mouse, lizard

• grasshopper, rabbit, mouse, snake

What is the producer on this food web?

• grasshopper

• rabbit

• grass

• hawk