Classification of Vertebrates MAMMALS • Produce _______from mammary glands to feed ________ • Maintain ___________ body temperature (warm-blooded) • Covering of ______ • Give birth to ________ young • Examples: __________________________________________ BIRDS • Maintain a ___________body temperature (warm-blooded) • Reproduce by laying _________ • Have ______________ • Most can _________ • Have a __________ • Examples: __________________________________________ REPTILES • Don’t ____________body temperature (_______-blooded) • Tough ________ skin • Most lay _______ with ____________shells • Examples: __________________________________________ AMPHIBIANS • Don’t ____________ body temperature (cold-blooded) • Lay eggs in __________ • Life cycle involves _______________ from aquatic ________ to terrestrial _______ • Can __________ through ___________ skin • Examples: __________________________________________ FISH • Actually a collection of _____distantly _______________groups • ____________underwater using internal _______ for gas exchange • Body covered with _________ • Most don’t ___________ body temperature (cold-blooded) • Examples: __________________________________________ Classification if Invertebrates INSECTS • Have an __________ skeleton • A body split into three ___________ – head, thorax and ________ • ________ jointed legs, one pair on each body segment Most insects have: • _____ or ______ wings for all or part of their life • _________________ eyes • • Examples: __________________________________________ ARACHNIDS • No _______________ • ________ body segments • _______pairs of legs • No _______ CRUSTACEANS • Mostly live in __________ • Have ______pair of antennae • Breathe through _________ CENTIPEDES and MILLIPEDES • Live on ___________ • Have _____________along their __________ body • Have _________ attached to each _______________ • Have _______________ MOLLUSCS • __________ bodies sometimes covered in a __________ • Well developed ______________ organs • A large muscular _________or ________________ used for movement ============e ______________ for eating and excreting--------------------------------------------------------------------------------------------=8The opening is surrounded by ______________ covered in _________________ cells WORMS Roundworms: • Long ___________________ bodies with no ____________ • ____________________ tube with mouth and anus • Some are _______________, others free living Flatworms • _________ bodies • One _______________ • Some are parasitic, others _______________________ Segmented worms • Found on__________ and in___________ • Well developed body _____________ with multiple ________________