IB Biology HL D4.2.3 Amazon Rainforest Deforestation Questions

Explain how Amazon forest loss reduces transpiration, rainfall recycling and regional cooling, and can push rainforest toward a savanna-like tipping point.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Suggest a consequence of Amazon rainforest transpiration, such as increased rainfall or atmospheric cooling.

IB Biology HL D4.2.3 Amazon Rainforest Deforestation Questions question 1

[Maximum number: 1]

Satellite imagery has been used for many years in the Amazon rainforest to monitor deforestation. Annual deforestation can be calculated using data from several satellites that have varying levels of accuracy. The graph shows the area of the Amazon rainforest that was deforested each year from 2001 to 2019, calculated using satellite images.

Figure for Question IB Biology HL D4.2.3 Amazon Rainforest Deforestation Questions question 1 — IB Biology HL

The Amazon rainforest currently releases very large amounts of water vapour into the atmosphere through transpiration. Suggest one consequence of this.

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