Arthropod

The characteristic of Arthropoda.
This Arthropod is a spider, which is in the class arachnid.









Characteristic of Arthropod :
1. The body is segmented, allows them to be highly mobile.
2. Exoskeleton, so they can only grow through molting.
3. A tubular alimentary canal, with mouth and anus.

http://www.youtube.com/watch?v=4QIgW639Oog

This is a video that shows a crab molting in order to grow there body.