Nutrient Cycles (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which biological molecules contain phosphorus?
Which biological molecules contain phosphorus?
ATP, phospholipids, and nucleic acids
How does the phosphorus cycle differ from carbon and nitrogen cycles?
How does the phosphorus cycle differ from carbon and nitrogen cycles?
It has no atmospheric reservoir
What is the main reservoir of phosphorus?
What is the main reservoir of phosphorus?
Sedimentary rocks in mineral form
In what form does phosphorus primarily occur in rocks?
In what form does phosphorus primarily occur in rocks?
Phosphate ions ()
What process releases phosphate ions from rocks into the environment?
What process releases phosphate ions from rocks into the environment?
Weathering and erosion
What role do decomposers play in the phosphorus cycle?
What role do decomposers play in the phosphorus cycle?
Break down tissues, releasing phosphate
What type of relationship exists between mycorrhizae and plants?
What type of relationship exists between mycorrhizae and plants?
Mutualistic partnership
How do mycorrhizae help plants obtain phosphorus?
How do mycorrhizae help plants obtain phosphorus?
Increase root surface area for absorption
What is guano?
What is guano?
Concentrated phosphorus from seabird waste
Why does phosphorus often become a limiting nutrient?
Why does phosphorus often become a limiting nutrient?
It moves slowly through ecosystems