Energy and Matter in Ecosystems

Choose all the items made out of carbon

• Food

• Animals

• Plants

• Rock

Tags

MS-LS2-3

What do 'plants' do with the carbon they receive?

• They turn it into water

• They don't need carbon

• They turn it into food by photosynthesis

• They keep it forever

Tags

MS-LS2-3

How does carbon get from animals and back into the atmosphere? (CHOOSE ALL THAT APPLY)

• Respiration (breathing)

• After they die, they are broken down by decomposers

• Photosynthesis

• None of these

Tags

MS-LS2-3

How do animals get carbon?

• Photosynthesis

• They absorb it from the atmosphere

• The sun

• They eat other plants and animals

Tags

MS-LS2-3

What is CO2?

• Air

• Oxygen

• Carbon Dioxide

• Dioxide

Tags

MS-LS2-3

All things are made out of carbon or need carbon to live.

• True

• False

Tags

MS-LS2-3

Choose the things that take carbon dioxide (CO2) out of the air.

• Plants

• Water

• Trees

• Humans

Tags

MS-LS2-3

If the plant population decreased, the amount of carbon dioxide in the atmosphere would _________.

• Stay the same

• Increase

• Decrease

Tags

MS-LS2-3

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

Tags

MS-LS2-3

What kind of organism takes out the most carbon from the atmosphere?

• Plants

• Bacteria

• Animals

• Humans

Tags

MS-LS2-3