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Use this lesson to teach your students about the characteristics of mammals and birds. Teach them about unique mammals and birds that do not have the characteristics of the average mammal and bird.

Use this lesson to see how animals can have very interesting relationships. Some help each other, some benefit from others, and some hurt others. Young scientists are sure to benefit from this eye-opening lesson.

Without natural resources, our world would be a very different place. Help your class understand the importance of water, plants, and soil with this exploratory science lesson.