Biology 9700 · AS & A Level · Biodiversity

Biodiversity — practice question

Ecological surveys are carried out before conservation choices are taken. For instance, they may be done before deciding whether to reintroduce a species into its previous habitat.
(a)[4]

Outline how an ecological survey can be used to assess biodiversity in a terrestrial habitat.

(b)[4]

With reference to Table 3.1, state and explain which factors have negatively affected biodiversity in Great Britain.

(c)[5]

Non-governmental and government organisations are collaborating to reintroduce a lynx population to its former habitat in a remote area of Great Britain. Lynx are predatory big cats. Fig. 3.1 shows a lynx. Suggest the factors that organisations need to consider in order to successfully reintroduce and establish a breeding population of lynx in Great Britain.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: Use random sampling in the survey

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