Food Webs and Energy Flow. Chapter 17. 1. What is a food chain? Ex: midwest deciduous forest & Artic & 1 other ecosystem. Gulf of Mexico: Osprey as top carnivore. Ex 2. Midwest. Ex 3. For each example, be able to list 2 – 3 food chains.
Local examples: gobi, zebra mussels
Species diversity decreased after nile perch introduced.