Ecosystems

Which picture shows a DESERT ecosystem?

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In which ecosystem will you find this food-chain?

• African grasslands

• Arctic tundra

• Amazon rain forest

• American wetlands (swamp)

How many consumers can you see in this picture?

• 2

• 4

• 6

• 8

What will happen to the rabbit population if the owl population becomes bigger?

• The rabbit population will become smaller

• The rabbit population will become bigger

• The rabbit population will stay the same

Why are decomposers important in an ecosystem?

• They directly give energy to consumers.

• They break down dead things and put nutrients back in the ground.

• They are not important they are harmful.

Nonliving (abiotic factors) include _____, _____ , ______ , and ___.

• soil, water, and air

• soil, water , air , and plants

• soil, water, air, and sunlight

• soil, water, air, and animals

Living components can be sorted into three groups. What are the 3 groups?

• fish, water, and sharks

• producers, consumers, and decomposers

• living, nonliving, and home

• basic need, living, and nonliving

A living thing can live only in an environment that meets its ____.

• water

• community

• population

• needs

All the living things in an ecosystem make up a ________.

• community

• population

• home

• needs

A _________ is all the members of one kind of plant or animal.

• community

• population

• consumers

• producers