Cycling of Matter

All organisms contain:

• water and nutrients

• carbon

• nitrogen and phosphorus

• none of the above

The word biogeochemical breaks down into the following words:

• bio: involves all living things

• geo: earth and all it's geochemical processes

• water: includes all bodies of water

• spheres: involves all of Earth's spheres

Explain how chemical elements continue to be cycled through the biosphere in this photo.

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Observe the picture. Fill in the spaces according to their number on the right. For example: 1: ______.

In what state does water enter the atmosphere?

• vapor

• liquid

• gas

• solid

Identify three processes in the water cycle:

• evaporation

• condensation

• precipitation

• transformation

In your own words describe how carbon moves from the abiotic to the biotic parts of the ecosystem.

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How does carbon enter the long-term cycle?

• through dead organisms

• through photosynthesis

• through celullar respiration

• when sea creatures fall to the ocean floor they deposit calcium carbonate

What processes are involved in the nitrogen cycle?

• Nitrification

• Denitrification

• Nitrogen fixation

• Oxidation

In your own words explain the Nitrogen Cycle. Use the words: nitrogen fixation, nitrification, and denitrification.

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