The Life cycle of insects. Parts 1 and 2

Part 1. Incomplete metamorphosis (ecdysis): Shows the stages in the life cycle of the locust, cockroach aphid and dragonfly whose eggs hatch into immature but structurally similar versions of the adult insect. Part 2. Complete metamorphosis: Butterflies, moths, gnats, mosquitoes and houseflies are used to show the life cycle with complete metamorphosis - egg, larva, pupa and adult.