B2.4 - Organisms and their Environment Flashcards
1
Q
What physical factors can affect living organisms?
A
- temperature
- availability of nutrients
- amount of light
- availability of water
- availability of oxygen and carbon dioxide
2
Q
How can quantitative data n the distribution of organisms be obtained?
A
- random sampling with quadrats
- sampling along a transect
3
Q
What are the two types of data?
A
Random and systematic
4
Q
What is a transect?
A
A line marked across a habitat, marked at regular intervals at which sampling is carried out.
5
Q
What is sample size related to?
A
Both validity and reproducibility.