Investigate Records

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Unit B: The Changing Environment

Chapter 5: Cycles in the Biosphere

• Lesson 1: You're in the Cycle
• Lesson 2: Bag It!
• Lesson 3: Identify Your Food

Chapter 6: Earth's Ecosystems

• Lesson 1: Studying Your Biome
• Lesson 2: An Owl's Dinner
• Lesson 3: Body Color and Survival

Chapter 7: Populations

• Lesson 1: Game of Numbers
• Lesson 2: Disaster Recovery