Biomes and Ecosystems Quiz

What is a biome?

• A type of animal habitat

• A very large ecological area

• A small ecological area

• A specific type of plant

Which biome covers about 1/5th of Earth’s surface and has sandy, rocky, or gravelly soil?

• Grassland

• Forest

• Tundra

• Desert

What is the main characteristic of a tropical grassland?

• Thick soil

• Low rainfall

• Few trees and shrubs

• Freezing temperatures

Which biome is important for climate control because it absorbs carbon dioxide?

• Desert

• Grassland

• Tundra

• Forest

Where are boreal forests found?

• In cold climates

• In the desert

• In warm climates

• Underwater

What percentage of Earth is covered in water, making aquatic biomes the largest of all biomes?

• 50%

• 70%

• 90%

• 30%

What is the main characteristic of tundra?

• Warm climate

• Large trees

• High rainfall

• Treeless and extremely cold

What is an ecosystem?

• A giant community of all living and nonliving things

• A single species

• A small pond

• A type of biome

What is the continuous exchange of carbon among living things called?

• Carbon cycle

• Water cycle

• Oxygen cycle

• Nitrogen cycle

What happens if a living organism cannot adapt to changes in an ecosystem?

• It becomes extinct

• It becomes a different species

• It grows larger

• It migrates to a different ecosystem