2007425
Description
Flashcards by sferrier96, updated more than 1 year ago
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Created by sferrier96
about 9 years ago
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| Question | Answer |
| Name three types of ecological pyramids. | 1.pyramids of number 2.pyramids of biomass 3.pyramids of energy |
| why does the size of organisms decrease as you go up a food chain? | energy is lost at each trophic level so less energy is available for growth. |
| name 2 disadvantages of using a pyramid of numbers. | 1.it doesn't take into account the size of an organism 2. the number of individuals may be too large to count |
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