Under climate change, a shift from rainforest toward savanna may be linked with what?
Answer and explanation
Correct answer: Increase in dry-season length and thermal stress
Rainforests depend on consistently warm and moist conditions. If the dry season becomes longer or more severe and heat stress increases, tree growth, regeneration, and fire resistance may decline, allowing grasses and open woodland to expand toward savanna conditions. This is a possible climate-related pathway, not an automatic result everywhere. The other options are not necessary mechanisms.
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What is the correct answer to this question?
Increase in dry-season length and thermal stress
Why is this the correct answer?
Rainforests depend on consistently warm and moist conditions. If the dry season becomes longer or more severe and heat stress increases, tree growth, regeneration, and fire resistance may decline, allowing grasses and open woodland to expand toward savanna conditions. This is a possible climate-related pathway, not an automatic result everywhere. The other options are not necessary mechanisms.
Which subject and chapter does this question cover?
This is a Class 12 Geography question. Chapter: World Climate and Climate Change.
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