B2 Biology - Distribution of organisms Flashcards
1
Q
what is meant by the distribution of organisms?
A
where an organism is found
2
Q
what can effect the distribution of organisms?
A
temperature availability of water ^ of oxygen and co2 ^ of nutrients amount of light
3
Q
what 2 methods can be used to study the distribution of small organisms?
A
quadrats
transects
4
Q
what are quadrats? what is used to measure?
A
square frame enclosing a known area
used to measure how common a organism is in that area
5
Q
what is a transect? what is it used for?
A
a line of rope/string,
used to measure how many organisms are distributed across an area
