Biology And Fish

Agnatha         Lamprey, Hagfish         Jaw-less, cartilage, un opposite 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. class Amphibia         Sicilians, Newts, Frogs         Metamorphize, breathe through skin, stronger limbs, most make 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, enatic care. class Aves         Killdear, House Finch         Feathers insulate, endothermic, spongy fused bones, toothles s, 1 ovary, parental care, multiplex courtship.         Chondrichthyes                            Aves (last) Agnatha ^ > Osteicthyes > Amphibia > Reptilla > ^ > Mammalia archaeopteryx ? Possibly the first bird         Kidneys were actual to pump away water 150 m.y.a. Had feathers. Probably         from the changing of a hypotonic environment to evolved from dinosaurs                           a hypertonice environment. Birds started travel from steer to tree         The short letter functions of feathers were for thermal prying on thin animals.         regulation and gliding from tree to tree. All chordates pretend:                  Meteor, 6 miles in diameter, 10,000 Hiroshima bombs. 1) lamella slits at a office                  Destroyed all lif e. Mammals were small fur balls at 2) dors! al 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) laughingstock with muscles                  Primates the best. Kingdom ? animale                  Due to flucuating mineral levels in unused water fish Phylum ? chordata                  developed bones when there 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                  amnionic eggs, Internal fertilization, and scaly skin 2 ? Kidney                   modify reptiles to colonize land in ways amphibians 3 ? Calcified... If you call for to array a full essay, order it on our website: OrderCustomPaper.com

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