S4 · UCE Biology · Term 2

Variation and Selection

10 practice questions in the Elaarn app, marked line by line like the exam.

Installed it? Come back and tap Open in Elaarn.

What you practise

  • Continuous and discontinuous variation
  • Causes of variation (genes, environment, mutation)
  • Natural selection and evolution
  • Artificial selection and breeding

Lower secondary · S4 · Biology · Genetics. Elaarn covers every class from P1 to S6. About Elaarn