DP Biology (first assessment 2025)

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Question 22M.2.SL.TZ1.1b.ii

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ1.1b.ii
Level SL Paper 2 Time zone TZ1
Command term Suggest Question number b.ii Adapted from N/A
b.ii.
[Maximum mark: 2]
22M.2.SL.TZ1.1b.ii
(b.ii)

Suggest reasons for this trend.

[2]

Markscheme
  1. less surface area is exposed when curled up
    OR
    more surface area is exposed when all limbs spread;
  2. curled position prevents heat loss/provides warmth
    OR
    stretched out position allows more heat loss/body cooled;
Examiners report

There were a few beautiful responses where surface area was specifically incorporated into the answer achieving maximum marks.

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