Biogeochemical Cycles

____________ cycles connect biological, geological and chemical aspects of organisms in a biosphere

• Ecological

• Hydrological

• Transpiration

• Biogeochemical

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-4

What type of organism converts nitrogen into a usable form for plants?

• fungus

• bacteria

• mold

• earthworms

Which statement is true of the biogeochemical cycle?

• Phosphate ions can be soaked up by plants and be incorporated into their tissues.

• Phosphorus can be released in the form of phosphate ions when exposed to water.

• An animal that eats a plant can then incorporate phosphate ions into its tissue.

• All statements are true.

Tags

NGSS.MS-LS2-3

Which of the following statements is true?

• Rocks are not a part of the biogeochemical cycle of phosphorus.

• Humans cannot impact the biogeochemical cycles of elements.

• Human activities can impact the biogeochemical cycle of phosphorus. When fertilizers are manufactured and applied on land, they can speed up the phosphorus cycle.

• Bacteria are not a part of the biogeochemical cycle of phosphorus.

Tags

NGSS.MS-ESS3-4

Which of the following is a definition of a biogeochemical cycle?

• The movement of elements through organisms and the environment

• The way that new elements are created on earth.

• The way that elements are lost on earth

• The movement of elements in organisms' bodies only

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

When water is used for irrigation, only about one-half can be used again. Much of this water is lost for use on land because it _____________ back into the air.

• transpires

• evaporates

• precipitates

• condenses

Tags

NGSS.MS-ESS2-4

What two processes fuel the carbon cycle?

• cellular respiration and photosynthesis

• transpiration and transport

• cellular respiration and transpiration

• photosynthesis and transport

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

CO2 is returned to the atmosphere by all methods EXCEPT

• combustion.

• photosynthesis.

• decomposition.

• respiration.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Soil bacteria are responsible for any steps in the nitrogen cycle. Soil bacteria are NOT responsible for

• assimilation.

• nitrogen fixation.

• ammonification

• nitrification.

Your body needs nitrogen for which of the following?

• muscles

• DNA

• skin

• all answers are correct

Tags

NGSS.MS-LS1-2