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Question 17N.3.SL.TZ0.c

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Date November 2017 Marks available [Maximum mark: 1] Reference code 17N.3.SL.TZ0.c
Level SL Paper 3 Time zone TZ0
Command term Outline Question number c Adapted from N/A
c.
[Maximum mark: 1]
17N.3.SL.TZ0.c

Data from the International Union for Conservation of Nature (IUCN) indicates that the population numbers of many mammal species are decreasing. The chart shows reasons for the decrease and the number of species in each category of danger.

[Source: Michael Hoffmann et al. 2011. The changing fates of the world’s mammals. Philosophical Transactions of the Royal Society B, Volume 366, issue 1578. DOI: 10.1098/rstb.2011.0116. By permission of the Royal Society.]

Outline how deforestation can affect the richness of biodiversity in an ecosystem.

[1]

Markscheme

deforestation reduces richness by destroying habitat/loss of food/shelter/nesting sites

Syllabus sections