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Elementary Science Education

Comparative Anatomy: Human and Insect

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      Bernard Nebel
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      The core concept here is that every multi-celled animal organism has the same requirements for food, breaking that food down into particles suitable for “burning”, oxygen for “burning” the food,  excreting wastes, and a circulatory system. Therefore, despite vast differences among animals, humans compared to insects for example, we discover that each animal has analogous organs that accomplish these tasks. The following site depicts the anatomy of a grasshopper. Help students identify analogous organs in the illustrations. (Older students may enjoy the hands-on dissection of a large grasshopper.)

      http://comparativeanatomybiology.weebly.com/grasshopper-anatomy.html

      Left out of this entire discussion are reproductive organs. Add them as you see fit.

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