1. Arthropods The Hidden Kingdom
invertebrate
Exoskeleton (molts)
Jointed appendages

2. Body Parts
Head
Thorax
Abdomen
Antenna
Eyes
Legs
Exoskeleton
Wings

3. Antennae
Mouth parts

5. Metamorphosis
Complete
Incomplete

6. Elytra
Compound
Complete

7. Complex mouth
One pair wings
Compound
Complete

8. May not have wings
incomplete

9. Narrow abdomen
Chewing mandibles
4 wings (if present)
Compound and ocelli
Complete

10. Proboscis
2 pairs wings
Complete
Compound and ocelli

11. 2 pairs wings
Incomplete
Part of life aquatic

12. Incomplete
2 pairs wings
Strong hind legs

13. Entomologist