Biomes of the World
Major ecological zones โ tropical rainforest, desert, tundra, ocean, grassland โ each with distinct life
Key Facts
- 1
Tropical rainforests: 7% of land area; 50%+ of species; highest biodiversity; Amazon is largest
- 2
Deserts: 33% of land; extreme temperature range; surprisingly diverse life; Sahara and Arabian deserts largest
- 3
Tundra: treeless; permafrost; holds 14% of world's carbon in frozen soil โ melting due to climate change
๐ฟ Did you know? The Amazon rainforest produces 20% of Earth's oxygen and is home to 10% of all species on Earth โ yet half could be lost by 2050 at current deforestation rates
Quick Reference
Category
Ecosystems
Country
๐ USA
Year / Era
1916
About
Major ecological zones โ tropical rainforest, desert, tundra, ocean, grassland โ each with distinct life