Nitrogen Cycle

Which Statement is supported by evidence in the model?

• Materials are cycled through living organisms only

• Materials are cycled through consumers only

• Materials are cycled through living and non living components of the ecosystem

• Materials are cycled through the physical factors of the environment through evaporation and condensation.

Tags

NGSS.MS-LS2-3

According to the model, plants use nitrogen to make what?

• bacteria

• proteins

• plants

• decomposers

Tags

NGSS.MS-LS2-3

What does the letter A represent in the model?

• Gas

• Carbon Dioxide in the atmosphere

• Clouds

• Nitrogen in the atmosphere

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

The graph shows the amount of nitrate in various oceans from 1992 to 2010. Based on this data which ocean system has experienced an increase in populations nearby?

• Arctic Ocean

• Baltic Sea

• Black Sea

• Celtic Sea, Bay Of Biscay, Iberian Coast

• Greater North Sea

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following factors could result in an excess of nitrate in nearby bodies of water? (Click All that apply)

• Cattle Grazing

• Cropland

• Forested Areas

• poor drainage

Tags

NGSS.MS-ESS3-4

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

Tags

NGSS.MS-LS2-3

A correct path that nitrogen could take would be _____

• air -> animals->plants->bacteria

• animals->air->bacteria->plants

• air -> bacteria ->plants -> animals

• bacteria ->air -> animals->plants

Tags

NGSS.MS-LS2-3

True or False:

Bacteria release nitrogen from dead organisms into the soil

• True

• False

Tags

NGSS.MS-LS2-3

Nitrates are poisonous to fish. What should you add more of to get rid of nitrates without having to change the water in your fish tank?

• More fish

• Nitrobacter bacteria

• Nitrosomonas bacteria

• Plants

Tags

NGSS.MS-LS2-3

What would happen to this nitrogen cycle if a virus killed all the bacteria?

• Nitrogen would just keep on cycling

• The cycle would stop

• Plants would take over for the bacteria

• Fish would grow more because there's no bacteria

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4