Lesson 4: How do plants meet their needs? Lesson 5: What are some types of local plants? Lesson 6: How do plants respond to their environment? Lesson 7: How do organisms get energy? Lesson 8: How do organisms interact? Lesson 9: What are biomes? Lesson 10: What are ecosystems? Lesson 11: How do natural cycles affect ecosystems? Lesson 12: How do humans affect ecosystems?
