Biology - Pyramids of biomass

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  • Created by: Holly
  • Created on: 05-11-12 17:14
What is a pyramid of biomass?
A pyramid showing the biomass of the organism. The bottom of the pyramid is the bottom of the food chain.
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What is a trophic level?
A feeding level
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What does each bar on a pyramid of biomass show?
Mass of living material at that stage of the food chain
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Give a example of a pyramid of biomass...
bottom-dandelions/rabbits/fox/fleas-top
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What is always at the bottom of a pyramid of biomass?
The producer
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If the pyramid was... bottom-pear tree/aphids/ladybirds/partridge-top ... would would you conclude?
There are lots of aphids feeding on a few trees. Lots of ladybirds are then eating the aphids, then lots of partridges are eating the ladybirds.
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Other cards in this set

Card 2

Front

What is a trophic level?

Back

A feeding level

Card 3

Front

What does each bar on a pyramid of biomass show?

Back

Preview of the front of card 3

Card 4

Front

Give a example of a pyramid of biomass...

Back

Preview of the front of card 4

Card 5

Front

What is always at the bottom of a pyramid of biomass?

Back

Preview of the front of card 5
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