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IB ESS HL 2.1.2 Species Definition Questions

Practise defining a biological species by connecting species membership with interbreeding and the production of fertile offspring in the IB ESS HL objective.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • define the biological species concept by stating that members can interbreed and produce fertile offspring

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Study 2.1.2—Species definition conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 2.1.2 Species Definition Questions question 1

[Maximum number: 1]

Define the term species.

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