Test Review 4

All the living and nonliving things in an area and their interactions.

• environment

• ecosystems

• community

Which is the ecosystem shown in the picture?

• desert

• grassland

• tundra

What kind of living things can you find in this ecosystem?

• penguins, seals, orcas

• toucans, snakes, frogs

• lions, zebras, giraffes

What par of the ecosystem organization is shown in the picture?

• habitat

• population

• niche

The following illustration shows this concept.

• community

• habitat

• population

The physical part of the ecosystem that meets the needs of an organism is the _____________________.

• niche

• environment

• habitat

Any living thing that makes its own food is called _______________.

• consumer

• producer

• decomposer

What is the niche of the black bear?

• Feed on nuts, berries, insects, and small animals.

• Swim in the river

• Pollinate different plants

Which are types of decomposers?

• squirrels and butterflies

• vultures and centipedes

• worms and fungi

Look at this ecosystem and list three of the living things that make up the rainforest ecosystem.