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22 Cards in this Set
- Front
- Back
mostly bilateral, 1/2 of vert, internal skeleton with a back bone
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fish
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slits that allow gas exchange
02+water thru mouth n CO2+water thru gills |
gills
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no mouth, jawless fish
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agnatha (lampreys and rays)
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have a cartilage
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chondrichthyes (sharks and rays)
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osteichthyes
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bony fish
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males and females, sexual, external fertilization, internal (sharks and rays)
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fish reproduction
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"double life"
in land and water |
amphibians (frogs, salamanders, newts, toads)
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body structure
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ecthotherms and metamorphosis
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body temperature changes with the surrounding
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ecthoterm
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develop and changes form
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metamorphosis
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reptiles body structure
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ecthotherms
-must find shade in hear, dormant during cold |
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sexually, internal fert, amniotic egg (life support), lay egss ON LAND, provide no care for young
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reptiles reproduction
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nurse their young, mammory glands, endotherm
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mammals
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mammal body structure
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*hair-for warmth and water proofing
*lungs *teeth |
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canines
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puncture and ripflesh (carnivore)
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molars
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grinding plnats (herbivore)
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young carried in auterus, nourished by placenta
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placental
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young carried in a pouch for a 2nd incubation period
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marsupial (kangaroo, opossum)
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egg layers only 3 species
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monotremes (platypus, antraters) found only in Au
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young carried in auterus, nourished by placenta
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placental
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young carried in a pouch for a 2nd incubation period
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marsupial (kangaroo, opossum)
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egg layers only 3 species
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monotremes (platypus, antraters) found only in Australia , Tasmania, New Guinea)
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