The Insects: origin, general organization and relationships with other Arthropods, the main orders of insects.
Morphology (integument and endoskeleton, head-capsule, thorax, abdomen, mouthparts, appendages). The mouthparts and their modifications in the different orders. The thorax and its appendages. The adaptive modifications of the legs and the wings. The abdomen and its appendages and processes. External genitalia.
Anatomy (muscular system, nervous system, sense organs, alimentary canal, circulatory system, respiratory system, excretory organs, organs of secretion, reproductive system. Embryogenesis. Postembryonic development. Metamorphosis types. Larval and pupal types. The adult insect (sexual dimorphism, polymorphism, gynandromorphism, light and sound production). Insect aggregation. Social insects.