Biochemical Cycles

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis

•  decomposition and respiration

Organisms that play a role in the nitrogen cycle

• only plants

• only animals

• only bacteria

• plants, animals, & bacteria

Tags

NGSS.MS-LS2-2

Organism that breaks down dead plants & animals and releases nitrogen back into atmosphere

• bacteria

• plants

• animals

• producers

Which of the following statements is true of the phosphorus cycle?

• Phosphorus enters the atmosphere as phosphates.

• The phosphorus cycle utilizes the processes of erosion, and weathering.

• Phosphates are used in carbohydrate and glucose storage.

• The phosphorus cycle utilizes bacteria to breakdown phosphates and make them available for plants.

Tags

NGSS.MS-LS2-3

What role do decomposers play in the phosphorous cycle?

• absorb phosphorous 

• release phosphorous into atmosphere

• return phosphorous into the soil

• combustion

Tags

NGSS.MS-LS2-3

What are formed when water vapor condenses and come together?

• Clouds

• Mountains

• Transpiration

• Valleys

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

_____ brings phosphorous into our waterways. .

• precipitation

• runoff

• transpiration

• condensation

Tags

NGSS.MS-ESS2-4

Which process in the water cycle involves the conversion of water vapor into liquid water?

• Evaporation

• Condensation

• Precipitation

• Transpiration

In the nitrogen cycle, which organisms are primarily responsible for nitrogen fixation?

• Fungi

• Bacteria

• Plants

• Animals

What is the main source of energy that drives the water cycle?

• Wind

• Sunlight

• Geothermal heat

• Tidal forces

Tags

NGSS.MS-ESS2-4