Classification of animals divides them into groups based on shared characteristics. Insects have an exoskeleton, no backbone, and make up the largest animal group. Sources for animal classification include websites that describe characteristics used to group different types of animals.

1. Classification
of Animals

7. Insects
•In a group called
anthropoids.
•Hard outer skin to
protect their insides
exoskeleton
•No backbone
•Largest animal group

8. Sources
 http://sheppardsoftware.com/content/animal
s/kidscorner/classification/kc_class_again.ht
m