Science Unit 5- B2.4

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What is a quadrat?
It is a square frame that can be any size. It is placed randomly on the ground and everything inside it is counted
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Physical factors that may affect the distribution of organisms are...?
Temperature, nutrients, amount of light and the availability of water, oxygen and carbon dioxide
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What are line transects?
They are used to investigate the distribution of an organism over an area
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What does a quadrat estimate?
The amount of organisms in an area
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Reliability of results can be improved by...?
Taking a number of quadrats and finding the average number or organisms in the quadrats
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Other cards in this set

Card 2

Front

Physical factors that may affect the distribution of organisms are...?

Back

Temperature, nutrients, amount of light and the availability of water, oxygen and carbon dioxide

Card 3

Front

What are line transects?

Back

Preview of the front of card 3

Card 4

Front

What does a quadrat estimate?

Back

Preview of the front of card 4

Card 5

Front

Reliability of results can be improved by...?

Back

Preview of the front of card 5

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