CHAPTER 4: ORGANISATION IN THE ECOSPHERE

Chapter4.2.2.4: Stratification

CHAPTER 4.2.3: Ecosystems, Biomes and Biogeographic regions

Chapter 4.2.3.1: Biogeographic Provinces

CHAPTER 4.2.3.2: Biomes

Chapter 4.2.3.2.1: Tundra

Chapter 4.2.3.2.6: Deserts, Semi-Deserts, and Xeric Shrub

Chapter 4.2.3.2.7: Sclerophyllous Vegetation (Mediterranean)

CHAPTER 4.2.4: Freshwater ecosystems

Chapter 4.2.4.1: Adaptations of Organisms to a Water Environment

Chapter 4.2.4.2: Freshwater Ecosystems Classification

Chapter 4.2.4.2.1: Lentic Communities

Chapter 4.2.4.2.2: Lotic Communities

Chapter 4.2.5: Marine Ecosystems

Chapter 4.2.5.1: Zoning