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Biology AQA 3.1.3 Cells

evie.daines

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Ecological pyramids

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a level Biology Flashcards on Ecological pyramids, created by sferrier96 on 11/02/2015.

Flashcards by sferrier96, updated more than 1 year ago

	Created by sferrier96 over 10 years ago

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Resource summary

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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