What is the difference between habitats and distribution?
Habitat is where an organism lives, distribution is where an organism is found.
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What are the main environmental factors?
Temperature, availability of water, oxygen & carbon dioxide, availability of nutrients, amount of light.
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How do you use a quadrant?
Place the quadrant in a random area. Count all the organisms in the quadrant, repeat and find the mean.
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How do you work out the population size?
Mean number of organisms X total area
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What are the two points for collecting environmental data?
Reliability - Are they repeatable and reproducable? Take a larger sample size and use random sample. Vilidity - Do they answer the original question? Make sure the variables are controlled.
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Other cards in this set
Card 2
Front
What are the main environmental factors?
Back
Temperature, availability of water, oxygen & carbon dioxide, availability of nutrients, amount of light.
Card 3
Front
How do you use a quadrant?
Back
Card 4
Front
How do you work out the population size?
Back
Card 5
Front
What are the two points for collecting environmental data?
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