IB skill practice

Explain plant transport, growth, and response

Paper 1, Paper 2 5 marks Difficulty 5

Evaluate transpiration factors

A transpiration practical in a advanced investigation workshop shows wind speed increasing and potometer bubble movement rising. Explain the causal link. Use the labelled diagram, data, or experimental evidence before writing the answer. Enter the answer and choose the interpretation that best matches the HL Biology evidence.

Worked practice: biological evidence and answer

Use the labelled biological evidence first, then connect it to the final answer.