| Term | Definition |
|---|
| Dorsal Hollow Nerve Cord | Phylum Chordata has this type of nerve cord |
| Dorsal | The notochord of Phylum Chordata is located on this side |
| Pharyngeal Gill Slits | Phylum Chordata has this type of gill slits |
| Urochordata, Cephalochordata, Vertabrata | The three subpyla of Phylum Chordata are: |
| Class Agnatha | This class is called the "jawless fish" |
| Vertebrates | Class Agnatha are the first known _________ |
| Ring of Teeth | Class Agnatha has these around the mouth |
| Hinged | The jaws of Class Agnatha are not _____ |
| Class Chondrichthyes | This class is called the "cartilage fish" |
| Cartilage Skeleton | Class Chondrichthyes have this type of skeleton |
| Swim Bladder | Class Chondrichthyes do not have this type of bladder |
| Bottom Dwellers | Class Chondrichthyes are this type of dwellers |
| Class Osteichytes | This class is called the "bony fish" |
| Internal | Class Osteichytes have this type of swim bladder |
| Class Osteichytes | The most important fish group(largest vertebrate group) |
| Operculum | Bony plate that covers gills |
| Two | All classes of fish have a this many chambered heart |
| Class Amphibia | The meaning of this class name is "dual life" |
| Terrestrial Locomotion | The limbs of Class Amphibia are well developed for this |
| Moist Skin | This type of skin aids in gas exchange for Class Amphibia |
| Three | Class Amphibia have this many chambered heart |
| Respiration | This is conducted through gills, lungs, skin in Class Amphibia |
| Cloaca | A common opening for reproduction or waste |
| legless, tailless | Class Amphibia can be either legged or _____ and tailed or _______ |
| Class Reptilia | Reptiles are in this class |
| Dry, Scales | The skin of class Reptilia is _____ and has _______ |
| Leathery Shell | The eggs of Class Reptilia are specialized and adapted for land and have a |
| Three or Four | Class Reptilia has a this many chambered heart |
| Class Aves | The birds fall under this class |
| Wings, Beaks, Scale-covered legs | The Class Aves has these characterisitics |
| Land | The eggs of Class Aves are adapted for this |
| Four | Class Aves have a this many chambered heart |
| Feathers | These are used for insulation, flight, and waterproofing. |
| Plumage | The two types of wings for Class Aves are collectively called |
| Down | This type of feather is fluffy, next to the skin |
| Contour | This type of feather is large |
| Class Mammalia | This is the class of the mammals |
| dry, hair | Class Mammalia have this type of skin and are covered with _____ |
| four | Class Mammalia has a this many chambered heard |
| Mammary Glands | In Class Mammalia, these produce milk |
| Monotremata, Marsupalia, Placentals | Class Mammalia has three subclasses, which are: |
| Monotrematas | These are the egg-laying mammals |
| Marsupalias | These are the pouched mammals |
| placentals | These mammals are attached to the mother by the placenta, and are more advanced at birth than the others. |
| Class Aves does this once a year | molt |
| This prevents wind drag | Hollow bones |
| Fertilization | This sexual process is internal |
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