Biology 9700 · AS & A Level · Conservation

Conservation — practice question

Gadus morhua, the Atlantic cod, is caught for food.
(a)[2]

Fig. 8.1 illustrates the size of the Atlantic cod stocks from 1968 to 2000. Calculate the overall decrease in the size of the Atlantic cod stocks between 1968 and 2000.

(b)[3]

Suggest methods by which the stocks of Atlantic cod may be increased.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: A correct response is 7500 (or 7.5 tonnes)

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