Classification:

1. Why Things are Grouped
   1. Classifying in Everyday Life
   2. How Grouping Helps Us
2. Methods of Classification
   1. Methods of Classification
   2. The Beginning of Modern Classification
3. How Scientists Classify Today
   1. Classification Based on How Organisms are Related
   2. Other Evidence Used in Classifying
   3. Scientific Names Come from Classification
   4. Why Scientific Names Are Used
   5. Five Kingdom Classification