Biogeochemical Cycles Review
Flashcard
•
Biology, Science
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the greenhouse effect?
Back
The greenhouse effect is the warming of Earth's surface due to the trapping of heat by greenhouse gases in the atmosphere, such as CO2, CH4, and CFCs.
2.
FLASHCARD QUESTION
Front
What is the water cycle?
Back
The water cycle is the continuous movement of water on, above, and below the surface of the Earth, involving processes like evaporation, condensation, and precipitation.
3.
FLASHCARD QUESTION
Front
What is nitrogen fixation?
Back
Nitrogen fixation is the process of converting atmospheric nitrogen (N2) into a form usable by living organisms, primarily carried out by certain bacteria.
4.
FLASHCARD QUESTION
Front
What are limiting nutrients?
Back
Limiting nutrients are essential nutrients that are in short supply and restrict the growth of organisms in an ecosystem, such as nitrogen in aquatic systems.
5.
FLASHCARD QUESTION
Front
What is the carbon cycle?
Back
The carbon cycle is the series of processes by which carbon compounds are interconverted in the environment, involving carbon dioxide absorption by plants and its release through respiration and decomposition.
6.
FLASHCARD QUESTION
Front
What role do bacteria play in the nitrogen cycle?
Back
Bacteria play a crucial role in the nitrogen cycle by fixing nitrogen, nitrifying it, and denitrifying it, thus facilitating the movement of nitrogen through the ecosystem.
7.
FLASHCARD QUESTION
Front
What is the significance of the greenhouse gases?
Back
Greenhouse gases, like CO2 and methane, are significant because they trap heat in the atmosphere, contributing to global warming and climate change.
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