Amoeba sisters Carbon and Nitrogen Cycles

What element do organic molecules have to have to be considered organic molecules?

• Carbon

• Oxygen

• Nitrogen

• Hydrogen

Tags

NGSS.HS-LS1-6

In the image shown how is carbon taken out of the atmosphere?

• Respiration

• Factory emissions

• Photosynthesis

• Waste products

Tags

NGSS.MS-LS1-6

In the image shown what can go through respiration? Hint: choose two

• Fossil fuels

• Animals

• Factories

• Plants

Carbon dioxide (CO₂) is a greenhouse gas. What do greenhouse gasses do?

• Make plants grow better

• Trap heat in the atmosphere

• Trap Oxygen in the atmosphere

• Nothing

What is the effect of burning fossil fuels?

• Traps N₂

• Traps CO₂

• Releases CO₂

• Releases N₂

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

There is lots of Nitrogen (N₂) in the air, but plants and animals cannot pull it out of the air to use. What do we call the process that puts nitrogen into the soil so that plants can absorb it through their roots?

• Nitrogen fixation

• Denitrification

• Ammonification

• Lightnification

Tags

NGSS.MS-LS2-3

Which two biomolecules require nitrogen? (choose 2)

• Carbohydrates

• Nucleic acids

• Lipids

• Proteins

What is the name of the process in which nitrogen from plants and animals is returned to the soil?

• Nitrogen fixation

• Ammonification

• Denitrification

• Lightnification

Tags

NGSS.MS-LS2-3

What is the process where Nitrogen is removed from the soil and returned to the atmosphere?

• Nitrogen fixation

• Ammonification

• Denitrification

• Lightenification

Tags

NGSS.MS-LS2-3

When too much nitrogen from fertilizers flows into waterways, it causes lots of algae to grow quickly. This eventually causes lots of fish to die. Why?

• The algae is poisoned

• The fish don't have enough food

• When the algae die they use up all of the oxygen

• Algae is bad for the fish

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4