IB ESS · Topic 3 · HL

Topic 3: Biodiversity (HL)

7 review questions with answers for Topic 3: Biodiversity (HL). 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

Informal name for the present interval of Earth history in which human activity is the dominant driver of environmental change and extinction?

  • Mass extinctions
  • Ecotourism
  • AnthropoceneRight answer
  • Sympatric speciation
From Topic 3: Biodiversity (HL), 7 questions.

All 7 questions and answers

  1. Informal name for the present interval of Earth history in which human activity is the dominant driver of environmental change and extinction?

    Answer: Anthropocene

  2. The five previous events in Earth history when large proportions of species became extinct rapidly?

    Answer: Mass extinctions

  3. Areas of the world containing unusually high concentrations of endemic and threatened species?

    Answer: Biodiversity hotspots

  4. Speciation in which a physical barrier, such as a mountain range or a sea, separates populations of a species?

    Answer: Allopatric speciation

  5. Speciation without geographical separation, when populations living in the same area become reproductively isolated?

    Answer: Sympatric speciation

  6. Humans choosing which individuals breed, so that chosen traits become more common in a population over generations, often narrowing its genetic diversity?

    Answer: Artificial selection

  7. Tourism to natural areas that funds conservation and supports local communities?

    Answer: Ecotourism

Play it as a class game

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