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Question 20N.3.SL.TZ0.a.ii

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

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.]

Suggest how entanglement in plastics can lead to the death of marine birds.

[1]

Markscheme

a. birds are unable to fly/swim for food;

b. unable to escape predators;

c. birds drown;

d. birds suffocate / are strangled;

Syllabus sections