CIRCULATION CIRCULATION COLD BLOODED; Poikilothermic COLD BLOODED; Poikilothermic 2 CHAMBERED HEART 2 CHAMBERED HEART RED SWIMMING MUSCLE IN TUNA RED SWIMMING MUSCLE IN TUNA AND PELAGIC SPECIES AND PELAGIC SPECIES Warmer than body temp. Warmer than body temp. Myoglobin Myoglobin Oxygen storage Oxygen storage
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CIRCULATION n COLD BLOODED; Poikilothermic n 2 CHAMBERED HEART n RED SWIMMING MUSCLE IN TUNA AND PELAGIC SPECIES n Warmer than body temp. n Myoglobin.
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CIRCULATIONCIRCULATION COLD BLOODED; PoikilothermicCOLD BLOODED; Poikilothermic 2 CHAMBERED HEART2 CHAMBERED HEART RED SWIMMING MUSCLE IN TUNA RED SWIMMING MUSCLE IN TUNA
AND PELAGIC SPECIESAND PELAGIC SPECIES Warmer than body temp.Warmer than body temp. MyoglobinMyoglobin Oxygen storageOxygen storage
FOOD GETTINGFOOD GETTINGFILTER FEEDERS;FILTER FEEDERS; USE GILL USE GILL RAKERS,RAKERS,
and parasitesand parasites osmotic balanceosmotic balance balance of water and balance of water and
saltssalts
VARIATIONS IN VARIATIONS IN SCALESSCALES
SCALES ABSENT IN MORRAY SCALES ABSENT IN MORRAY EELEEL
SCALES FUSED IN THE SEA SCALES FUSED IN THE SEA HORSE TO FORM A HARD HORSE TO FORM A HARD OUTER COVERINGOUTER COVERING..
KIDNEY FUNCTIONKIDNEY FUNCTION REMOVAL OF REMOVAL OF
NITROGENOUS WASTENITROGENOUS WASTE (ammonia, urea etc.)(ammonia, urea etc.) MAINTENANCE OF MAINTENANCE OF
OSMOTIC BALANCEOSMOTIC BALANCE
FRESH WATER FRESH WATER FISHFISH
EXCRETES EXCRETES LOTS OF LOTS OF WATERWATER
WELL WELL DEVELOPED DEVELOPED KIDNEYKIDNEY
SALT WATER FISHSALT WATER FISH
DRINKS LOTS OF DRINKS LOTS OF WATERWATER
EXCRETES LITTLE EXCRETES LITTLE WATERWATER
EXCRETES EXCRETES EXCESS SALT EXCESS SALT (KIDNEYS AND (KIDNEYS AND GILLSGILLS))
REPRODUCTIONREPRODUCTIONOVIPAROUS; eggs fertilized OVIPAROUS; eggs fertilized outside the body, outside the body, development external.development external.
Examples and variations;Examples and variations;Nest builders= sticklebackNest builders= sticklebackMouth Breeders= JawfishMouth Breeders= Jawfish
OVIPAROUS (Contd.)OVIPAROUS (Contd.) Eggs adrift in the Eggs adrift in the
plankton=plankton= pelagic species pelagic species
(swordfish)(swordfish) Eggs laid on shore Eggs laid on shore
(beach)=(beach)= GrunionGrunion
OVOVIVIPAROUS; OVOVIVIPAROUS; Fertilization internal. Fertilization internal. Development internal.Development internal.