What are biogeochemical cycles?
Biogeochemical Cycles

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•
Biology
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Biogeochemical cycles are natural processes that recycle nutrients in various chemical forms from the environment to organisms and back to the environment.
2.
FLASHCARD QUESTION
Front
Name the main biogeochemical cycles.
Back
The main biogeochemical cycles include the carbon cycle, nitrogen cycle, phosphorus cycle, and water cycle.
3.
FLASHCARD QUESTION
Front
Where is carbon stored in the environment?
Back
Carbon is stored in fossil fuels, wood of trees, and calcium carbonate (shells and bones).
4.
FLASHCARD QUESTION
Front
What is the process of photosynthesis?
Back
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll, converting carbon dioxide and water into glucose and oxygen.
5.
FLASHCARD QUESTION
Front
What are the products of cellular respiration?
Back
The products of cellular respiration are carbon dioxide, water, and usable energy (ATP).
6.
FLASHCARD QUESTION
Front
What is nitrogen fixation?
Back
Nitrogen fixation is the process by which free nitrogen in the atmosphere is converted into nitrogen compounds, such as ammonia, by certain bacteria.
7.
FLASHCARD QUESTION
Front
What is free nitrogen?
Back
Free nitrogen is nitrogen that is not combined with other elements and is found in the atmosphere as a gas.
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