Question 34
Question 34 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
19. Organisms and their e...
19.4. Populations

Identify and state the factors affecting the rate of population growth for a population of an organism, limited to food supply, competition, predation and disease

20. Human influences on e...
20.4. Conservation

Explain the risks to a species if its population size decreases, reducing genetic variation (knowledge of genetic drift is not required)

18. Variation and selecti...
18.3. Selection

Describe natural selection with reference to: (a) genetic variation within populations (b) production of many offspring (c) struggle for survival, including competition for resources (d) a greater chance of reproduction by individuals that are better adapted to the environment than others (e) these individuals pass on their alleles to the next generation