ConceptConceptDocsDocuments

IB Biology HL A3.1.14 Dichotomous keys Question Bank

Practise IB Biology HL A3.1.14 by identifying taxa from dichotomous keys and selecting diagnostic features that distinguish closely related organisms.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Use diagnostic features such as jointed appendages to identify an arthropod or taxon.
  • Read a multi-step dichotomous key to assign organisms to the correct genus or class.

A3.1.14 (HL)—Dichotomous key development question 1

[Maximum number: 1]

The following shows a dichotomous key.

Figure for Question A3.1.14 (HL)—Dichotomous key development question 1 — IB Biology HL
Table for Question A3.1.14 (HL)—Dichotomous key development question 1 — IB Biology HL

Using the dichotomous key above, identify the genus of bird W and bird Z .
Bird W:
Bird Z:

All question bank results loaded