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CAIE IGCSE Biology 22.1.4 Patterns, Trends and Conclusions

CAIE IGCSE Biology 22.1.4 Patterns, Trends and Conclusions
Cambridge IGCSE Biology 0610 syllabus for exams in 2026, 2027 and 20282026–2028

Practise describing biological trends from tables by identifying increases, decreases, maxima and minima, then supporting each conclusion with comparative data and units.

How this is tested

  • describe non-linear trends in table data and identify maxima or minima with correct units
  • support a trend statement with comparative values rather than naming an unsupported optimum

Question 5(c)(iii)

[Maximum number: 2]

Acid rain has negative effects on many ecosystems.

One group of students recorded the change in temperature as the seeds germinated in five insulated flasks, labelled A to E.

Describe the results obtained by group 1.