The Phosphorus Cycle

All living organisms are mainly composed of what elements?

• Oxygen, Carbon, Hydrogen, Nitrogen

• Carbon, Phosphorus, Nitrogen, Oxygen

• Sodium, Carbon, Nitrogen, Hydrogen

• Calcium, Phosphorus, Nitrogen, Oxygen

Tags

NGSS.HS-LS1-6

Living organisms are mostly composed of Carbon.

• True

• False

Tags

NGSS.MS-PS1-1

Macronutrients are elements organisms need in relatively small amounts

• True

• False

Trace elements are needed by organisms in relatively large amounts.

• True

• False

How does carbon in a grass plant get into a lion?

• The lion eats the grass
• Carbon from grass doesn't end up in a lion. 
• The carbon ends up in the food the lion eats. 
• The lion breathes in carbon given out by the plant

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organisms that break down dead plants & animals and release nitrogen back into atmosphere...

• bacteria

• plants

• animals

• producers

Tags

NGSS.MS-LS2-3

This is NOT a part of the phosphorus cycle.

• Phosphate is incorporated into sedimentary rocks

• Phosphate bound to soil

• Atmospheric phosphate

• Phosphate is absorbed from the soil by plants

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS2-3

Photosynthesis

• absorbs CO₂
• releases CO₂

Tags

NGSS.MS-LS1-6

Nitrogen is available in the soil, and is available for _____ who pass it onto consumers through the food web.

• producers
• heterotrophs
• decomposers
• scavengers

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Phosphorous is passed from plants to ____ who eat them

• plants
• animals
• scavengers

Tags

NGSS.HS-LS2-3