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Grade 5
Unit B: Life Science: Living Things and Their Environments
Chapter 6: Ecosystems
Science Links
Crossword Puzzle
Lesson 4: Cycles of Life
Lesson Summary
Lesson Review
Lesson 5: Biomes
Climate Changes Caused by Human Activity
Lesson Summary
Lesson Review
Lesson 6: How Ecosystems Change
Fossils
Lesson Summary
Lesson Review
