DP Biology (first assessment 2025)

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Question 19N.2.SL.TZ0.4b

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Date November 2019 Marks available [Maximum mark: 3] Reference code 19N.2.SL.TZ0.4b
Level SL Paper 2 Time zone TZ0
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 3]
19N.2.SL.TZ0.4b
(b)

Explain the consequence of overpopulation on the survival and reproduction of better adapted individuals within a population.

[3]

Markscheme

a. «better adapted» tend to survive more ✔

b. «better adapted» reproduce/produce more offspring ✔

c. pass on characteristics to their offspring «when they reproduce» ✔

d. their frequency increases «within the population» due to natural selection ✔

e. leading to evolution ✔

Syllabus sections