Field investigations - OCR Gateway

1

Which of these would be sampled using a pooter?

2

Which equipment would be the best to use to sample the organisms living in long grass?

3

What is the mean, to one significant figure, of these numbers? 2,3,4,4,5,5,6,7,8,9,10

4

What is an ecologist?

5

What is the mode?

6

Why do ecologists estimate the number of organisms in a habitat by sampling?

7

A student used a quadrat to estimate the number of daffodils in a field. The mean number of daffodils per quadrat was 6, the quadrat area was 0.5m2 and the whole field was 50m2. Calculate the estimate.

8

Which of these is an abiotic factor?

9

Which of these is an assumption you make when using capture-recapture?

10

How could you make sure you randomly place a quadrat on a field?