Practice Questions – Unit 1 – The Living World: Ecosystems: all topics

• 1.1 Introduction to Ecosystems

• 1.2 Terrestrial Biomes

• 1.3 Aquatic Biomes

• 1.4 The Carbon Cycle

• 1.5 The Nitrogen Cycle

• 1.6 The Phosphorous Cycle

• 1.7 The Hydrologic Cycle

• 1.8 Primary Productivity

• 1.9 Trophic Levels

• 1.10 Energy Flow and the 10% Rule

• 1.11 Food Chains and Food Webs