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16 Cards in this Set
- Front
- Back
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Phylum Echinoderm |
Marine, pentamerous, calcium carbonate skeleton, water vascular system. |
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Class Ophiuroidea |
Brittle stars. Flexible arms and legs. Agile. Distinctive central disk. |
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Class Asteroidea |
Sea stars. Flexible skeleton. Voracious predators. |
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Class Holothuroidea |
Sea cucumbers. Reduced skeleton. Small spicules imbedded in thick integiment. Able to eviscerate. |
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Class Echinodea |
Sea urchins, sand dollars. Non flexible skeleton. No appendages. Distinct anterior and posterior design. |
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Phylum Chordata |
Dorsal, hollow nerve cord. Notochord. Pharyngeal gill slits/gill arches. Post anal tail. |
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Subphylum Cephalochordata |
Amphioxus. |
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Subphylum Urochordata |
Sea squirts, tunicates. Two siphons. |
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Subphylum Vertebrata |
Cranium. Vertebrae. |
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Class Agnatha |
Sea Lamprey. Jawless fish. Cyclostomes. Subphylum Vertebrata. |
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Class Chrondrichthyes |
Sharks. Jaws. Paired appendages. Subphylum vertebrata. |
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Class Osteichthyes |
Gills/jaws. Lateral line organ. Boney fish. Swim bladder. |
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Class Amphibia |
Two pair limbs. Gills and lungs. Permeable skin. |
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Class Reptilia |
Cold blooded. Scales. Amniote egg. |
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Class Aves |
Feathers. No teeth. Hollow bones. Endothermic. Four chambered heart. Gizzard. |
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Class Mammalia |
Amniote egg. Milk from mammary glands. Fur. Sweat glands. Specialized teeth. 3 middle ear bones. |
