Pyramids of Biomass (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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What do pyramids of biomass show?
What do pyramids of biomass show?
Relative biomass at each trophic level
Biomass definition
Biomass definition
Total mass of living material
Biomass trend moving up trophic levels
Biomass trend moving up trophic levels
Less biomass
Why biomass decreases at each level
Why biomass decreases at each level
Energy is lost at each stage
% sunlight converted to biomass by producers
% sunlight converted to biomass by producers
About 1%
Examples of producers
Examples of producers
Plants and algae
% biomass transferred to next level (average)
% biomass transferred to next level (average)
About 10%
% biomass lost at each trophic level
% biomass lost at each trophic level
90%
Why not all sunlight becomes biomass in plants
Why not all sunlight becomes biomass in plants
Not all reaches photosynthesizing parts (e.g., leaves)
Process producers use to make biomass
Process producers use to make biomass
Photosynthesis