Unit 2- Biogeochemical Cycles

Front

What is respiration in terms of biogeochemical cycles?

Back

Respiration is the process by which oxygen is consumed and carbon dioxide is produced.

Front

How can we prevent water pollution?

Back

We can prevent water pollution by reducing the use of plastic, properly disposing of chemicals, and cleaning up after our animals.

Front

What element is released by the weathering of rocks?

Back

Phosphorus is released by the weathering of rocks.

Front

What is runoff in the context of water cycles?

Back

Runoff is water that flows in rivers and streams into the oceans and lakes.

Front

Where are denitrifying bacteria primarily found?

Back

Denitrifying bacteria are primarily found in the soil.

Front

Define biogeochemical cycles.

Back

Biogeochemical cycles are natural processes that recycle nutrients in various chemical forms from the environment to organisms and back to the environment.

Front

What role does carbon play in the carbon cycle?

Back

Carbon is a key element that is cycled through the atmosphere, biosphere, hydrosphere, and lithosphere, primarily through processes like photosynthesis and respiration.

Front

What is the significance of nitrogen-fixing bacteria?

Back

Nitrogen-fixing bacteria convert atmospheric nitrogen into ammonia, which can be used by plants, thus playing a crucial role in the nitrogen cycle.

Front

Explain the water cycle.

Back

The water cycle is the continuous movement of water on, above, and below the surface of the Earth, involving processes such as evaporation, condensation, precipitation, and runoff.

Front

What is the role of decomposers in biogeochemical cycles?

Back

Decomposers break down dead organic matter, returning nutrients to the soil and making them available for uptake by plants.