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B3.3.9 (HL)—Reasons for locomotion Topic Practice

B3.3.9 (HL)—Reasons for locomotion Topic Practice
IB Biology syllabusBiology SL/HLFirst assessment 2025

Students practise linking specific locomotion behaviours—feeding, predator evasion, mating, migration—to survival and reproductive advantages in named animal examples.

How this is tested

  • apply evolutionary reasoning to explain how blackbird foraging or hare escape behaviour increases individual
  • compare locomotion functions across contexts: e.g., orangutan mate-finding versus whale migration in terms
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