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32 Cards in this Set
- Front
- Back
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an animal that has a notecard that has a notochord, a nerve cord, a tail, and structures called pharyngeal pouches |
chordate |
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flexible, rod shaped structure that supports the body of a developing chordate |
notochord |
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most chordates are _______ |
verterates |
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most chordates are vertebrates, but the chordates also include two group of _____________, the tunicates and the lancelets |
invertebrates |
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all vertebrates have a ___________, or spinal column |
backbone |
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bones that form a backbone are called ______ |
vertebrae |
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all vertebrates have digestive systems with two |
openinys |
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vertebrates have circulatory systems that ______ |
move blood through the body |
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vertebrates have nervous systems that include ? |
brains |
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fish have two important characteristics in common: ? |
gill that absorb oxygen and fins that aid in swimming |
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hagfish and lampreys lack _______ and are in what group |
jaws. jawless |
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sharks, skates, and rayes are __________ fish |
catilaginous |
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jawless and cartilaginous fish have internal structures made of ___________ |
cartiliage |
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trout, guppies, perch, tuna, mackerel have ________ and are in which group. |
bones. bony fish |
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frogs, toads, and salamanders belong to the class __________ |
amphibia |
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most amphibians spend part of their lives in ________ and part in ___________ |
water and land |
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amphibians lay _______ that do not have hard protective coverings or ___________ |
eggs. shells |
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young amphibians live in water and have _________. |
gills |
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most adult amphibians develop ? |
lungs and live on land |
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lizards, __________, turtles, crocodiles, and alligators belong to the class __________ |
snakes. reptilia |
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all reptiles have ___________ skin that is covered in __________ |
waterproof. scales |
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like amphibians, most reptiles have three chambered _________ |
heart |
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unlike amphibians, lizards and other reptiles have ________ throughout their lives |
lungs |
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most reptiles lay fluid filled _________ with __________ shells |
eggs. leathery |
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all birds are in the class ________ |
aves |
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many birds can ______, and they have stiff _______ |
fly. feathers |
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birds have _________ that chew their food |
beaks |
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birds digestive system include ____________ which are organs that help grind food |
gizzards |
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birds lay fluid filled ______ with hard shells and feed and care for their __________ |
eggs. young |
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all mammals have hair or _______ |
fur |
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________ glands produce milk that feeds young mammals |
mammary |
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although many mammals have __________, a few species like the durck billed platypus _________ |
live youngs. lay eggs |
