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IB Biology SL 3.1.2 Species as Groups with Shared Traits

Practise IB Biology SL 3.1.2 by using observable recognition features to classify mammals, birds, plants and invertebrates.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Use mammal, bird, plant and arthropod recognition features to classify organisms from observable traits.
  • Distinguish molluscs, platyhelminths and arthropods using segmentation, shells and jointed appendages.
  • Interpret comparative anatomical or skull data to support classification of related organisms.

A3.1.2—Species as groups with shared traits question 1

[Maximum number: 2]

List two anatomical features of humans that are characteristic of primates.
1.
2.

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