DP Biology (first assessment 2025)

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Question 22N.2.SL.TZ0.j

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Date November 2022 Marks available [Maximum mark: 2] Reference code 22N.2.SL.TZ0.j
Level SL Paper 2 Time zone TZ0
Command term Discuss Question number j Adapted from N/A
j.
[Maximum mark: 2]
22N.2.SL.TZ0.j

Discuss whether these studies show that habitat destruction can affect global bumblebee numbers.

[2]

Markscheme
  1. habitat destruction removes the plants/flowers/natural food source of the bees;
  2. bees have to look for other food sources;
  3. many of these alternative sources of food are not suitable for bee survival
    OR
    pollen with a different proportion of protein to lipid would reduce survival;
  4. no control where bees are fed their normal diet is included;
  5. simulation is not using natural pollen / habitat;
    OR
    sample size is too small to make conclusions;

Accept other reasonable discussion using the data.

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