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Question 22N.2.SL.TZ0.b

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Date November 2022 Marks available [Maximum mark: 2] Reference code 22N.2.SL.TZ0.b
Level SL Paper 2 Time zone TZ0
Command term Compare and contrast Question number b Adapted from N/A
b.
[Maximum mark: 2]
22N.2.SL.TZ0.b

The biodiversity of insects worldwide is in decline. Destruction of habitats, pollution and climate change have contributed to the decline in global insect populations and to the extinction of insect species. A comprehensive literature review was carried out to determine the annual global rate of decline in insect species. The graph shows the results for three major orders of terrestrial insects and the total decline in insect biomass worldwide.

Compare and contrast the results for Hymenoptera and Lepidoptera.

[2]

Markscheme
  1. both show a decline in number;
  2. the mean decline for Hymenoptera is less than the mean for Lepidoptera
    OR
    there is a wider range of decline among the species of Lepidoptera;

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