The biosphere includes (a)   in Earth's system.

• All living things
• Only plants and trees
• Only animals
• Only humans

Tags

NGSS.MS-LS2-3

Why are plants important for making Earth habitable?

• They provide shelter

• They produce oxygen

• They absorb sunlight

• They create water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What cycle involves the movement of carbon dioxide from the atmosphere to the biosphere and back?

• Water cycle

• Nitrogen cycle

• Carbon cycle

• Oxygen cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do plants contribute to the carbon cycle?

• By absorbing carbon dioxide for photosynthesis

• By releasing carbon dioxide into the atmosphere

• By producing nitrogen

• By creating water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What happens to carbon when animals eat plants?

• It is released into the soil

• It becomes part of the animals' bodies

• It turns into oxygen

• It disappears

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What role do plants play in the nitrogen cycle?

• They release nitrogen into the air

• They take up nitrogen compounds through their roots

• They convert nitrogen into carbon

• They produce nitrogen gas

Tags

NGSS.MS-LS2-3

What happens to nitrogen compounds when plants and animals die?

• They evaporate

• They re-enter the soil

• They turn into oxygen

• They disappear

Tags

NGSS.MS-LS2-3

Why is the carbon cycle important for Earth's temperature?

• It cools the Earth

• It traps heat to keep the temperature habitable

• It creates sunlight

• It produces water

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Match the following processes with what is released into the atmosphere during them.

• Decomposition

• Carbon dioxide

• Respiration

• Nitrogen

• Evaporation

• Oxygen

• Photosynthesis

• Water vapor

Tags

NGSS.MS-LS1-6

The main purpose of the biosphere interactions lesson is to (a)  

• To learn about the water cycle
• To understand how the biosphere int
• To study animal habitats
• To explore the solar system

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4