Phosphorus Cycle

Front

What is the phosphorus cycle?

Back

The phosphorus cycle is the biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere, essential for life as it is a key component of DNA, RNA, and ATP.

Front

What is decomposition in the context of the phosphorus cycle?

Back

Decomposition is the process by which decomposers break down dead organisms, recycling phosphate back into the soil.

Front

What is phosphorus runoff?

Back

Phosphorus runoff is the movement of phosphorus from land to water bodies, often due to agricultural practices, leading to eutrophication and negative impacts on water quality.

Front

What is sedimentation?

Back

Sedimentation is the process by which material is deposited or settles in a location, eventually forming sedimentary rocks.

Front

How do human activities affect the phosphorus cycle?

Back

Human activities increase phosphorus input into the environment, leading to eutrophication and soil nutrient imbalances.

Front

What role does weathering play in the phosphorus cycle?

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Weathering breaks down rocks containing phosphorus minerals, releasing phosphorus into the soil.

Front

What is eutrophication?

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Eutrophication is the process by which water bodies become overly enriched with nutrients, leading to excessive growth of algae and depletion of oxygen.

Front

Why is phosphorus important for living organisms?

Back

Phosphorus is essential for the formation of DNA, RNA, and ATP, which are critical for energy transfer and genetic information.

Front

What are the main sources of phosphorus in the environment?

Back

The main sources of phosphorus include weathering of rocks, agricultural fertilizers, and animal waste.

Front

What is the impact of phosphorus on aquatic ecosystems?

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Excess phosphorus can lead to algal blooms, which can harm aquatic life by depleting oxygen levels and blocking sunlight.