Paper 2: Fieldwork Techniques

Question 1

What can be found using field work techniques?

Answer 1

Number of organisms in an area

Question 2

What is used when studying organisms in a field?

Answer 2

Quadrants

Question 3

How do you use quadrats to study organisms in a field?

Answer 3

• quadrats are placed randomly in an area
• the number of study organisms is counted in each quadrat
• use equation: mean no. Of organisms in one quadrat x total area/ are of one quadrat

Question 4

What can quadrats placed along a belt transect be used to study?

Answer 4

The effect of abiotic and biotic factors on where organisms live

Question 5

What is the method for measuring The effect of abiotic and biotic factors on where organisms live?

Answer 5

Place a tape measure from on end to another (e,g pond to dry land)
Place quadrats at regular intervals along the transect
Count how many organism are in the quadrat and the number on the measuring tape
Put into grid and graph