Phosphorus Cycle (AQA A-Level Biology): Flashcards
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Three biological molecules containing phosphorus
Three biological molecules containing phosphorus
ATP, phospholipids, and nucleic acids
Unique feature of phosphorus cycle vs carbon and nitrogen cycles
Unique feature of phosphorus cycle vs carbon and nitrogen cycles
No atmospheric reservoir; no gaseous phase
Main phosphorus reservoir
Main phosphorus reservoir
Mineral form in sedimentary rocks
Chemical form of phosphorus in ecosystems
Chemical form of phosphorus in ecosystems
Phosphate ions ()
Process releasing phosphate from rocks
Process releasing phosphate from rocks
Weathering and erosion
How plants absorb phosphate ions
How plants absorb phosphate ions
Through root systems from soil
Organisms releasing phosphate from dead matter
Organisms releasing phosphate from dead matter
Decomposers (bacteria and fungi)
Fungal associations with plant roots
Fungal associations with plant roots
Mycorrhizae
Relationship type between mycorrhizae and plants
Relationship type between mycorrhizae and plants
Mutualistic partnership
Why phosphorus often limits ecosystem productivity
Why phosphorus often limits ecosystem productivity
Limited mobility in soil; slow movement through ecosystems