Phosphorus Cycle Worksheet
A Grade 10 science worksheet focusing on the phosphorus cycle, its stages, importance, and environmental impacts.
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Phosphorus Cycle Worksheet
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Read each question carefully and provide thoughtful answers based on your understanding of the phosphorus cycle.
1. The phosphorus cycle is unique among biogeochemical cycles because it does not involve a significant phase.
2. Phosphorus is primarily found in the Earth's crust as .
3. The process by which phosphorus is released from rocks into the soil and water is called .
4. Plants absorb phosphorus in the form of from the soil.
1. Which of the following is a major reservoir for phosphorus on Earth?
Atmosphere
Oceans
Sedimentary rocks
Living organisms
2. What is the primary way phosphorus moves from terrestrial to aquatic ecosystems?
Evaporation
Runoff and erosion
Atmospheric deposition
Decomposition
1. Explain the role of decomposers in the phosphorus cycle.
2. Describe one significant human impact on the phosphorus cycle and its environmental consequences.
1. The phosphorus cycle is a fast-moving cycle compared to the carbon cycle.
True
False
2. Eutrophication can be a consequence of excessive phosphorus runoff into aquatic ecosystems.
True
False
Observe the diagram below and answer the following questions.
1. Although this diagram illustrates the water cycle, identify at least two points in this landscape where phosphorus would be present or actively moving.