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Question 20N.3.SL.TZ0.13a.i

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Date November 2020 Marks available [Maximum mark: 1] Reference code 20N.3.SL.TZ0.13a.i
Level SL Paper 3 Time zone TZ0
Command term Calculate Question number a.i Adapted from N/A
a.i.
[Maximum mark: 1]
20N.3.SL.TZ0.13a.i

Plastic has accumulated in marine environments and is now causing problems for wildlife. Some marine birds have become entangled in plastic debris and some have been harmed by ingesting it. The table shows the extent of the problem worldwide in different groups of birds.

[Source: BIO Intelligence Service, 2011. Plastic Waste in the Environment. [pdf]
European Commission. Available at: http://ec.europa.eu/environment/waste/studies/pdf/plastics.pdf.]

(a.i)

Calculate the number of species of grebe with problems due to entanglement.

[1]

Markscheme

2;

Examiners report

This question outlining how plastic pollution affects marine birds was straightforward for all candidates.

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