Climate Change Impact on Biodiversity
The negative effects of changing climate on organisms including range shifts, phenological changes, and increased extinction risk.
Real World
The Bramble Cay melomys, a small rodent on a Torres Strait island in Australia, was declared extinct in 2019 after rising sea levels and storm surges destroyed its habitat — the first documented mammal extinction directly attributed to climate change.
Exam Focus
Distinguish between range shifts, phenological mismatches, and extinction risk as separate climate impacts — examiners expect named mechanisms.
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