b112_Lecture_33c

b112_Lecture_33c - Myriopoda Classes Diplopoda...

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Unformatted text preview: Myriopoda Classes Diplopoda & Chilopoda Class Diplopoda Millipedes Wormlike, many legs (2 per segment) Eat plant material Class Chilopoda Centipedes Pair of antennae on head Three pair of appendages modified as mouth parts, jawlike mandibles One pair of walking legs per segment Predators, poison claws Millipede Centipede Hexapoda Class Insecta In all terrestrial environments, some aquatic or marine Many fly and have 1-2 pairs of wings Open circulatory system, complex digestive system, Malpighian tubules for excretion Gas exchange by tracheae, open to air by spiracles Hexapoda Class Insecta Incomplete vs. complete metamorphosis Reproduction usually sexual Fertilization generally internal, but sperm packets sometimes attached externally Class Insecta - Orders Anoplura lice Coleoptera beetles Dermaptera earwigs Diptera flies & mosquitoes Hemiptera true bugs Hymenoptera bees, ants, wasps Isoptera termites...
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b112_Lecture_33c - Myriopoda Classes Diplopoda...

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