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CAIE IGCSE Biology 2.1.7 Levels of Organisation

Practise defining cells, tissues, organs, organ systems and organisms, then classify unfamiliar examples by asking what structures work together and at which level.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • define a tissue as similar cells working together to perform a shared function
  • explain that an organ contains different tissues working together for particular functions
  • order cell, tissue, organ, organ system and organism and classify unfamiliar biological examples

2.1.7—Meaning of the terms: cell, tissue question 1

[Maximum number: 1]

A leaf can be described as an organ.
Define the term organ.

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