Flashcards
Pyramids of Biomass and Numbers
Cards in this deck (7)
- 1What is trophic level?A feeding level
- 2What decreases as you go down trophic levels?Energy, Biomass and usually number of organisms
- 3Why are biomass pyramids shaped like a pyramid?Biomass is lost at each stage
- 4Dry massThe mass of the organism when all water has been removed (dried out)
- 5Ethical reasons of construction biomass pyramids?You need to kill the animal so can't be done every time
- 6Why could it be difficult to construct accurate pyramids of biomass?Some organisms feed at more than on trophic level
- 7How are pyramids of number and biomass different?Pyramids of numbers only shows numbers of organisms at each stage not their mass
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- GCSE Higher Biology (B2) Flashcards on Pyramids of Biomass and Numbers, created by esther.babatunde on 20/02/2014.
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