Agnatha         Lamprey, Hagfish         Jaw-less, cartilage, un diametrical fins, parasitic, exothermic. Chondrichthyes         Sharks, Rays, Skates         Cartilage, jaws, paired fins. class Osteichthyes         monastic Fish, Parrot Fish         Bone 4 calcium, jaws, paired fins, travel bladder, ext. fert. amphibia         Sicilians, Newts, Frogs         Metamorphize, breathe through skin, stronger limbs, most be sick in water, gill slits, lungs, legs. Reptillia         Snakes, Lizard, Turtle         Scales, retain water, leathery skin, lays eggs, int. fert, exothermic. class Mammalia         serviceman         Hair, endothermic, 4 chamber heart, mammary glands, live young, maternal(p) care. class Aves         Killdear, House Finch         Feathers insulate, endothermic, spongy fused bones, toot hless, 1 ovary, parental care, multiplex courtship.         Chondrichthyes                         Aves (last) Agnatha ^ > Osteicthyes > Amphibia > Reptilla > ^ > Mammalia archaeopteryx ? Possibly the first bird         Kidneys were demonstrable to pump away water 150 m.y.a. Had feathers. Probably         from the ever-changing of a hypotonic environment to evolved from dinosaurs                         a hypertonice environment. Birds started travel from head to tree         The short letter functions of feathers were for thermal prying on thin animals.         regulation and gliding from tree to tree. All chordates curb:                 Meteor, 6 miles in diameter, 10,000 Hiroshima bombs. 1) lamella slits at a psyche                 Destroy ed all life. Mammals were small fur balls a! t 2) dorsal nerve chord                 the time.
They were nocturnal, until dinos died, they 3) Notochord vertebrae                 stayed small. at one time they died off, mammals prospered. 4) fuck with muscles                 Primates the best. Kingdom ? animale                 Due to flucuating mineral levels in uninfected water fish Phylum ? chordata                 developed bones when in that location was and excess of Sub-phylum ? vertebrae                 calcium. When the levels were low the fish used kinfolk ? the 7 of them                 up the calcium in order to survive. 1 ? Notochord                 amnic eggs, Internal fertilization, and scaly skin 2 ? Kidney                 modify reptiles to annex land in ways amphibians 3 ? Calcified... If you call for to take a full essay, order it on our website:
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