Required Practical 9: Sampling Organisms PAPER 2

Question 1

In the required practical sampling organisms what do you investigate.

Answer 1

• Describe how to measure the population size of a common species in a habitat.
• Describe how to use sampling techniques to investigate the effect of a factor on the distribution of this species.

Question 1

Firstly , you must estimate the …

Answer 1

total population of the plants eg. daisies in the area like a filed.

Question 2

When random sampling we can use a …

Answer 2

quadrat.

Question 3

To estimate the total population in area using quadrats you can …

Answer 3

calculate the number of species in the quadrat multiply before multiplying the number of species and the area of the quadrat to equate the entire area.

Question 4

In area that are affected by light intensity we may have to use a …

Answer 4

transect and a quadrat to measure the number of daisies at equal intervalsof the transect as well as the light intensity

Question 5

To measure light intensity with a …

Answer 5

light meter

Question 6

It may be that light intensity is not the only abiotic ——- that is affecting the number of species.

Answer 6

factor