Ecosystem Cycles

A regular pattern of change

• Circle

• Cycle

• Succession

• Change

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

Plants and animals cannot use nitrogen directly from the air.

• True
• False

Tags

NGSS.MS-LS2-3

What changes nitrogen gas into a useable form for plants and animals?

• bacteria

• animals

• air

• dirt

After plants and animals contain nitrogen, how does the nitrogen return to the soil?

• evaporation

• precipitation

• condensation

• decompostion

Tags

NGSS.MS-LS2-3

What is the ORIGINAL source of energy for all living things?

• Sugar

• Sun

• Moon

• Oxygen

Tags

NGSS.MS-LS1-6

How do animals get the nitrogen they need?

• From the air

• From water

• From plants they eat

• From the sun

How does carbon enter the soil when plants and animals die?

• Decomposition

• Respiration

• Photosynthesis

• Combustion

Tags

NGSS.MS-LS2-3

Carbon that is buried deep in the earth and later dug up to be burned as coal or oil is called

• Respiration

• Decomposition

• Fossil Fuels

• Photosynthesis

Tags

NGSS.MS-ESS3-1

Which of the following is an example of a decomposer?

• Owl

• Fish

• Tree

• Mushroom

Tags

NGSS.MS-LS2-3

Which of the following takes carbon from the atmosphere and produces oxygen for humans to breathe?

• Combustion

• Respiration

• Photosynthesis

• Fossil Fuels

Tags

NGSS.MS-LS1-6