IB Biology HL A3.2.2 Hl Difficulties with Traditional Hierarchy Questions

The traditional hierarchy groups organisms from kingdom through species. Its fixed ranks can be arbitrary and may not match evolutionary divergence; morphological similarity can result from convergence rather than common ancestry.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • State the traditional hierarchy from kingdom to species: kingdom, phylum, class, order, family, genus and species.
  • Explain how fixed ranks can be arbitrary and may not match evolutionary divergence.
  • Explain how morphological similarity can result from convergence rather than common ancestry.

IB Biology HL A3.2.2 Hl Difficulties with Traditional Hierarchy Questions question 1

[Maximum number: 1]

Which is the hierarchy of taxa in order of increasing numbers of species?

A

genus, family, order, class

B

class, order, genus, family

C

genus, family, class, order

D

class, order, family, genus

All question bank results loaded