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4 Cards in this Set
- Front
- Back
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What are the 5 factors that may affect where organisms live? |
Temperature, Availability of nutrients, Amount of light, Availability of water, Availability of oxygen and carbon dioxide |
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How can quantitative data on the distribution of organisms be obtained? Give 2 ways |
Random sampling with quadrats, Sampling along a transect |
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Describe how to collect data using a transect |
Mark out a line in the area using a tape measure, collect data along it. Just count the things on the line, or use quadrats at intervals. |
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How do you work out population size? |
Mean number of organisms per m2 x total area |
