Ecology Populations

The atmosphere is made up of mostly nitrogen. The percentage of nitrogen in the atmosphere is approximately _____.

• 60%

• 78%

• 83%

• 51%

The conversion of atmospheric nitrogen into ammonia, a form of nitrogen plants can readily use, is called -

• denitrification.

• ammonification.

• nitrogen fixation.

• nitrification.

Tags

NGSS.MS-LS2-3

How do animals get the nitrogen they need?

• From the air they breathe

• From the water they drink

• From the food they eat

• From the sun

A correct path that nitrogen could take would be

• air -> animals -> plants -> bacteria

• animals -> air -> bacteria -> plants

• bacteria -> air -> plants -> animals

• air -> bacteria -> plants -> animals

Tags

NGSS.MS-LS2-3

This can transform nitrogen in the atmosphere into a usable form of nitrogen

• rain

• ice

• lightning

• sun

Which of the following removes carbon from the atmosphere?

• Combustion
• Respiration
• Photosynthesis
• Death

Tags

NGSS.MS-LS1-6

Combustion is another word for __________.

• Transportation
• Respiration
• Fossil Fuels
• Burning

Tags

NGSS.MS-PS1-5

What does NOT produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

Which gas do plants release, that humans depend on for survival?

• Water

• Carbon Dioxide

• Oxygen

• Sugar

Tags

NGSS.MS-LS1-6

Select all that are raw materials for Photosynthesis.

• Water

• Carbon Dioxide

• Oxygen

• Sunlight (Light Energy)

• Glucose (Sugar/food)

Tags

NGSS.MS-LS1-6