B2 Biology - Distribution of organisms Flashcards Preview

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Flashcards in B2 Biology - Distribution of organisms Deck (5)
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1

what is meant by the distribution of organisms?

where an organism is found

2

what can effect the distribution of organisms?

temperature
availability of water
^ of oxygen and co2
^ of nutrients
amount of light

3

what 2 methods can be used to study the distribution of small organisms?

quadrats
transects

4

what are quadrats? what is used to measure?

square frame enclosing a known area
used to measure how common a organism is in that area

5

what is a transect? what is it used for?

a line of rope/string,
used to measure how many organisms are distributed across an area