CAIE IGCSE Biology 20.4.7 Reasons for Conservation Programmes

Practise explaining how conservation maintains biodiversity, reduces extinction and protects ecosystems and resources.

Exam points

link conservation programmes to maintained biodiversity and reduced extinction risk
explain how protecting ecosystems preserves food webs and nutrient cycling
identify food, drugs, fuel and genes as resources supplied by natural ecosystems

[Maximum number: 3]

Fig. 6.1 shows a boreal toad, Anaxyrus boreas. This toad is listed as an endangered species.

Fig. 6.1

There are conservation programmes to reintroduce boreal toads into their natural habitat.

Describe why conservation programmes are set up for animals like the boreal toad.

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