565185
Description
Flashcards by esther.babatunde, updated more than 1 year ago
|
Created by esther.babatunde
almost 11 years ago
|
|
| 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 |
Want to create your own Flashcards for free with GoConqr? Learn more.