Nov. 13, 2007
Ends of the Earth, Ecuador's Cloud Forest
1. Ecosystems and biomes ; 2. Biodiversity
Standard 8: Understands the characteristics of ecosystems on Earth's surface
Benchmark 2. Knows ecosystems in terms of their biodiversity and productivity (e.g., the low productivity of deserts and the high productivity of midlatitude forests and tropical forests) and their potential value to all living things (e.g., as a source of oxygen for life forms, as a source of food for indigenous peoples, as a source of raw materials for international trade)


