UNIT 1. INSECTS AND OTHER ARTHROPODS
UNIT 2. ARTHROPOD EVOLUTION
UNIT 3. THE INSECT INTEGUMENT
UNIT 4. THE INSECT HEAD AND CERVIX
UNIT 5. THE INSECT THORAX AND THORACIC APPENDAGES
UNIT 6. THE INSECT ABDOMEN AND ABDOMINAL APPENDAGES
UNIT 7. ALIMENTARY CANAL AND DIGESTION
UNIT 8. CIRCULATION, STORAGE, AND EXCRETION
UNIT 9. RESPIRATORY SYSTEM AND RESPIRATION
UNIT 10. NERVOUS SYSTEM AND SENSITIVITY
UNIT 11. REPRODUCTIVE SYSTEMS AND REPRODUCTION
UNIT 12. INSECT ECOLOGY
UNIT 13. PHYSICAL AND BEHAVIORAL ADAPTATION TO THE ENVIRONMENT
UNIT 14. METAMORPHOSIS
UNIT 15. DERIVATION OF ORDER NAMES
UNIT 16. TAXONOMY AND BIOLOGY-SUBCLASS: APTERYGOTA ORDERS: COLLEMBOLA AND THYSANURA
UNIT 17. TAXONOMY AND BIOLOGY-SUBCLASS: PTERYGOTA PALEOPTERA - ANCIENT WINGED INSECTS ORDERS: EPHEMEROPTERA AND ODONATA
UNIT 18. TAXONOMY AND BIOLOGY-SUBCLASS: PTERYGOTA NEOPTERA - MODERN WINGED INSECTS ORDERS: ORTHOPTERA, ISOPTERA, DERMAPTERA, AND PLECOPTERA
UNIT 19. TAXONOMY AND BIOLOGY-SUBCLASS: PTERYGOTA NEOPTERA - MODERN WINGED INSECTS ORDERS: MALLOPHAGA, ANOPLURA, THYSANOPTERA, HEMIPTERA, AND HOMOPTERA
UNIT 20. TAXONOMY AND BIOLOGY - SUBCLASS: PTERYGOTA NEOPTERA - MODERN WINGED INSECTS ORDERS: NEUROPTERA, COLEOPTERA, DIPTERA, SIPHONAPTERA, LEPIDOPTERA, HYMENOPTERA, AND TRICHOPTERA