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Description
Flashcards by esther.babatunde, updated more than 1 year ago
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Created by esther.babatunde
over 10 years ago
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| Question | Answer |
| What is trophic level? | A feeding level |
| What decreases as you go down trophic levels? | Energy, Biomass and usually number of organisms |
| Why are biomass pyramids shaped like a pyramid? | Biomass is lost at each stage |
| Dry mass | The mass of the organism when all water has been removed (dried out) |
| Ethical reasons of construction biomass pyramids? | You need to kill the animal so can't be done every time |
| Why could it be difficult to construct accurate pyramids of biomass? | Some organisms feed at more than on trophic level |
| How 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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