Everything Life Sciences Grade 10

CHAPTER^9

Biospheres to ecosystems

9.1 Overview 256

9.2 Biosphere 256

9.3 Biomes 258

9.4 Environment 268

9.5 Ecosystems 269

9.6 Energy flow 277

9.7 Nutrient cycles 281

9.8 Ecotourism 285

9.9 Summary 287