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Phylum Chordata - Chordates Internal skeleton with muscle ...

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Modern AmphibiansOrder Anura - frogs and toads - tailless amphibiansFrogs have smooth, moist skin; long legs; live in or near waterToads have bumpy, dry skin; short legs; are adapted to dryenvironmentsAll are carnivores, eat a wide variety of invertebratesMost return to water to reproduceEggs lack water-tight membranes and dry out readilyEggs fertilized externallyEggs hatch into algae-eating, swimming larval tadpolesTadpoles metamorphose into adultsOrder Urodela - salamanders - amphibians <strong>with</strong> tailsHave elongated bodies, long tails and smooth moist skinLive in moist places, some live entirely in waterLay eggs in water or moist areasFertilization is external in most speciesJuveniles look like adults, do not undergo major metamorphosisOrder Apoda - caecilians - legless amphibiansHighly specialized group of burrowing amphibiansLack legs, have small eyes, are often blindEat worms and soil invertebratesMale deposits sperm directly into femaleyoung are born alive

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