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Cambridge AS & A Level Biology

18.3Conservation

Conservation in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic42 practice questions2 lessons
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Learning objectives

What the syllabus expects you to be able to do.

  1. 18.3.1Explain how climate change, competition, hunting and habitat loss can cause extinction.
  2. 18.3.2Outline reasons for maintaining biodiversity.
  3. 18.3.3Outline the roles of zoos, botanic gardens, conserved areas, frozen zoos and seed banks.
  4. 18.3.4Describe IVF, embryo transfer and surrogacy in conserving endangered mammals.
  5. 18.3.5Explain reasons for controlling invasive alien species.
  6. 18.3.6Outline the roles of IUCN and CITES in conservation.

Lessons

  • IUCN, CITES and the control of invasive alien species

    30 min

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  • Threats to biodiversity and conservation strategies

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Conservation: sample question

1 mark

Which three Red List categories are together described as "threatened"?

Choose one answer

Turn Conservation into a strength.

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