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IB Biology HL 3.1.3 Binomial System

Practise IB Biology HL 3.1.3 by analysing binomial tables, counting genera and evaluating the advantages of universal nomenclature.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Count genera and evaluate relatedness from binomial tables, using shared genus as evidence.
  • Explain why an internationally agreed binomial system improves identification and classification.

A3.1.3—Binomial system question 1

[Maximum number: 1]

The table shows the number of amino acids that are different in the sequences of the protein FOXP2 from a human compared with four other primate species.

Table for Question A3.1.3—Binomial system question 1 — IB Biology HL

Identify the total number of different genera named in the table.

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