DP Biology (first assessment 2025)

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Question 23M.2.SL.TZ1.a

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Date May 2023 Marks available [Maximum mark: 2] Reference code 23M.2.SL.TZ1.a
Level SL Paper 2 Time zone TZ1
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
23M.2.SL.TZ1.a

Outline how the prickly pear cactus may become an ecological problem in Kruger National Park.

[2]

Markscheme
  1. they can become an invasive species because they lack predators
    OR
    uncontrolled population growth due to lack of predators;
  2. compete with local/endemic species for nutrients/habitat;
  3. may cause (endemic) species to become extinct/reduction in numbers;

Syllabus sections