Topic 9 Lesson 1

What is a biome?

• A biome is a small enclosed ecosystem
• A biome is a type of weather pattern
• A biome is a large area of distinctive plant and animal groups adapted to that particular environment.

• A biome is a man-made structure

What percentage of Earth's surface is covered by forests?

• 50%

• 30%

• 70%

• 25%

Which biome is characterized by extremely cold temperatures and little rainfall?

• Tundra

• Desert

• Forest

• Grassland

What is the primary difference between a biome and an ecosystem?

• Ecosystems do not interact with nonliving things.

• Biomes do not include living organisms.

• Ecosystems can only exist within biomes.

• A biome is a larger community that can contain many ecosystems.

Which cycle involves the movement of water between the Earth's surface and the air?

• Nitrogen cycle

• Oxygen cycle

• Carbon cycle

• Water cycle

Tags

NGSS.MS-ESS2-4

What happens to carbon in the carbon cycle?

• It is only taken in by animals and released during respiration.

• It is trapped forever in atmospheric gases.

• Plants absorb it to make sugars, and it cycles through the food chain.

• It is converted into nitrogen for plant use.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3