IB Biology · A4.2 · SL

A4.2 Conservation of Biodiversity

16 review questions with answers for A4.2 Conservation of Biodiversity, marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.

A question from this set

The variety of life at genetic, species, and ecosystem levels?

  • Overexploitation
  • Keystone Species
  • BiodiversityRight answer
  • Endemic Species
From A4.2 Conservation of Biodiversity, 16 questions.

All 16 questions and answers

  1. The variety of life at genetic, species, and ecosystem levels?

    Answer: Biodiversity

  2. A species found naturally in only one specific geographic location?

    Answer: Endemic Species

  3. The complete permanent loss of a species from Earth?

    Answer: Extinction

  4. A non-native species that causes ecological or economic harm to an ecosystem?

    Answer: Invasive Species

  5. Harvesting a species faster than it can naturally reproduce?

    Answer: Overexploitation

  6. A region with high species richness that is also under significant threat?

    Answer: Biodiversity Hotspot

  7. Conserving a species within its natural habitat (e.g., nature reserves)?

    Answer: In situ conservation

  8. Protecting a species outside its natural habitat (e.g., seed banks or zoos)?

    Answer: Ex situ conservation

  9. A species that has a disproportionately large effect on its ecosystem?

    Answer: Keystone Species

  10. A species whose presence or absence reflects the specific environmental quality?

    Answer: Indicator Species

  11. The international agreement that regulates trade in endangered species?

    Answer: CITES

  12. The global list that categorizes species by their risk of extinction?

    Answer: IUCN Red List

  13. The change in community structure at the boundary of two different habitats?

    Answer: Edge Effect

  14. Division of a habitat into small, isolated patches, which can reduce genetic diversity?

    Answer: Habitat Fragmentation

  15. Strips of habitat that connect isolated patches to allow for gene flow?

    Answer: Biological Corridors

  16. Restoring natural processes in an ecosystem, e.g., by reintroducing apex predators and reducing human management?

    Answer: Rewilding

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