Arthropods

A spider from the arachnid group.

A butterfly from the insect group

1. Arthropods are complex invertebrates.
2. They have an outer skeleton and there legs bend at the joints and there bodies are divided into sections.
3. An arthropod must molt or shed it's exoskeleton because the exoskeleton doesn't grow with the animal.
4. Arthropods have sense organs for seeing,feeling,tasting,and smelling,as well as organs for breathing.
5. Arthropods are the largest group of animals.
6. They are broken up into four groups because they are so many of animals in that group.

A centipede from the myriapod.

A shrimp from the crustacean group.