Biogeochemical Cycle Review

Identify the cycle pictured.

• water cycle
• carbon cycle
• nitrogen cycle
• phosphorus cycle

Organisms use nitrogen to form

• carbohydrates and lipids
• proteins and lipids
• lipids and nucleic acids
• proteins and nucleic acids

Carbon dioxide is added to the atmosphere by

• Burning fossil fuels 
• Cellular respiration
• Decomposing organic matter
• All answers are correct

Tags

NGSS.MS-ESS3-4

The nitrogen found in the atmosphere is not in a form that plants or animals can use.  What converts it into a usable form?

• Bacteria
• Photosynthesis
• Decomposition of organisms
• Lightning

Nitrogen in the atmosphere is not available for plants and animals.  Free nitrogen has to be changed into a usable form in a process called _____.

• nitrogen fixation
• transpiration
• denitrification
• respiration

What cycle is shown in the diagram?

• phosphorus cycle
• water cycle
• carbon cycle
• nitrogen cycle

This is released by the weathering and erosion of rocks.

• Carbon
• Oxygen
• Phosphorus
• Nitrogen

Identify the cycle pictured.

• water cycle
• carbon cycle
• nitrogen cycle
• phosphorus cycle

Identify the cycle pictured.

• water cycle
• carbon cycle
• nitrogen cycle
• phosphorus cycle

Which nutrient is not cycled through the atmosphere and stays only on ground level?

• carbon
• nitrogen
• phosphorus
• water