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Question 19M.3.SL.TZ1.a

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Date May 2019 Marks available [Maximum mark: 1] Reference code 19M.3.SL.TZ1.a
Level SL Paper 3 Time zone TZ1
Command term State Question number a Adapted from N/A
a.
[Maximum mark: 1]
19M.3.SL.TZ1.a

Torre Guaceto is a marine protected area which covers over 22 km2 of the Adriatic Sea in south-eastern Italy. The diagram shows a food chain within this area.

The data refers to the numbers of these three species inside the marine protected area, where fishing is limited, and outside the marine protected area, where fishing is allowed.

[Source: data provided by The Science of Marine Reserves Project (PISCO), based on Guidetti 2006 Ecological Applications]

State the trophic level of the sea urchin.

[1]

Markscheme

herbivore/primary consumer ✔

Do not accept second trophic level

Examiners report

Primary consumer was frequently stated and second trophic level also seen, although not credited as the syllabus demands the former term.

Syllabus sections