Review Chap. 5 Ecosystems and biomes

The ongoing exchange of carbon among living things is called:

• nitrogen cycle

• water cycle

• rock cycle

• carbon cycle

A species that is in danger of becoming extinct is called:

• extinct

• endangered

• hunt

• pioneer

Humans can change an ecosystem by polluting the air, water, and land.

• True

• False

The last stage of succession in an area.

• primary succession

• secondary succession

• climax community

• pioneer species

Is a large area of land that has certain kinds of soil, plants, animals, and climate.

• ecosystem

• habitat

• biome

• environment

A large, treeless biome where ground is frozen all year.

• taiga

• tundra

• deciduous forest

• tropical rain forest

Is the way that nitrogen moves between the air, soil, plants, and animals.

• nitrogen cycle

• carbon cycle

• water cycle

• rock cycle

The last organism of a species dies, no longer exists on Earth. It is called:

• endangered

• pioneer

• extinct

• plankton

The place where fresh water meets salt water is called:

• desert

• freshwater

• estuary

• wetland

What are the main groups of organisms that live in water ecosystems?

• plankton, nekton, and benthos

• herbivores, carnivores and omnivores.

• rocks, soil and sand.

• vertebrates and invertebrates