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15 Cards in this Set
- Front
- Back
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Vertebrate qualities |
Vertebral colmn, endoskeleton, cranium, diversity of organs |
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Hagfishes |
Cartilaginous cranium, slime, jawless finless vertebrae less |
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Cartilaginous fishes types |
Sharks, rays, skates |
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Cartilaginous fish qualities |
Swim to maintian bouyancy, need to swim to use gills, keen senses |
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What do all bony fishes have? |
Bladder, operculum |
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Types of bony fishes |
Ray finned and lobe finned |
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Types of lobe finned fishes |
Coelocanths and their relatives, lungfish |
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Lungfish characteristics |
Oxygen poor freshwater, gills and lungs, can drown |
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Reasons for amphinian decline |
Chytrid fungus, nematode parasites, UV radiation at high altitude, habitat destruction, pesticides |
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Key innovations of amniotes |
Dessication resistant skin, water conserving kidneys, internal fertilization |
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Testudines types |
Turtles, tortoises, terrapins |
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Testudines characteristics |
Temperature determines sex, 200 million years old |
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Lizards and snakes characteristics |
Kinetic skull, movable eyelids and external ears for lizards |
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Crocodilia characteristics |
Unchanged for 200 million years, 4 chambered heart, parental care |
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4 features necessary to bird flight |
Air sacs, feahers, reduction of organs, lightweight skeleton |
