lab practical 3 subphylums
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bio 2
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6 Terms
no jaw, lamprey hagfish, predator: lamprey
cyclostomata
operculum convers the gills, swim bladder, bony fish: perch, exoskeleton of bony plates, maintain bouncy
osteichythes
later line system, true appendages, cartilage skeleton, shaark skate rays, denticles, cartilage
chondrichthyes
amniotic egg scales thick tough skin, turtle snack, lungs with diaphragm scales amniotic egg, hollow bones feathers air sac
reptilia
4 limbs lungs and moist skin 3 chambered heart, frog toad salamander, lunges eyelids 4 limbs, moist skin to diffuse gases
amphibia
hair mammary glands specialized teeth amniotic egg 4 chambered heart, mouse human dog, monotremes: lay eggs, placental: live birth
mammalia
