Question 40
Question 40 of 40
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No letter options?
Older MCQs might not have the typical A, B, C, D choices. They have choices 1, 2, 3, and a combination of them is the answer. Below is the key that maps such combinations to the answer.
A 1, 2 and 3 are correct
B 1 and 2 only are correct
C 2 and 3 only are correct
D 1 only is correct
Topics Tested
20. Human influences on e...
20.2. Habitat destruction

Describe biodiversity as the number of different species that live in an area

19. Organisms and their e...
19.4. Populations

Interpret graphs and diagrams of population growth

3. Movement into and out...
3.1. Diffusion

Investigate the factors that influence diffusion, limited to: surface area, temperature, concentration gradient and distance