Transects Questions Flashcards
(8 cards)
1
Q
Why is sampling carried out?
A
Because counting every individual is time-consuming; sampling provides representative data.
2
Q
Give an example of a biotic factor affecting distribution.
A
Trampling by humans or grazing by sheep.
3
Q
Give an example of an abiotic factor affecting distribution.
A
Light intensity or pH of the soil.
4
Q
What is the dependent variable in a distribution investigation?
A
The number or presence of the species being studied.
5
Q
What are some ways to ensure representative results?
A
Use random sampling
6
Q
What calculations might be required in this practical?
A
Means
7
Q
How would fertiliser affect the distribution of a plant species?
A
It might increase plant growth
8
Q
What equipment might be used in this fieldwork?
A
transects, tape measure, pH probe
