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15 Cards in this Set
- Front
- Back
Phylum Chordata 6 Characteristics
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all possess a notochord, dorsal hollow nerve cord, pharyngeal gill slits, post anal tail, complete digestive system and endoskeleton.
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Subphylum Urochordata
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entirely marine- includes sea squirts and tunicates
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class Ascidiacea
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-attached tunicates
-benthic, completely marine -tunic surrounds the body, two syphons project from the body -use of Neotony; adult stage missing from life cycle |
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class Thalicea
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"salps" - pelagic
Pyrosoma- "fire body" known as the tunicate colony, clear and jelly like |
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Subphylum Cephalochordata-
class Amphioxus |
"variable"
live in clean sand, burrow in sand collected off a coastline in China- used for food |
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Subphylum Vertebrata
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includes all vertebrates
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Ostracaderms
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electrogenic organs, produce electricity
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Placoderm
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Dinichthyes- 1st jawed vertebrates
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Chondrichthyes
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"cartilage fish"
-sharks, rays, skates, and ratfish -marine; few freshwater - body made of cartilage " Marine Gold" |
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which vertebrate is known for the oil of Coenzyme Q10?
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sharks- Chondrichthyes
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class Osteichthyes
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"bony fish"
-sea horses, tuna, halibut, perch, barracuda, rockfish, tropical fish |
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class Amphibia
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"variable life" - includes frogs, toads, newts, salamanders, caecilians
-hover between land and water -eggs laid in water, external fertilizatino larval---> adult stage |
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class Reptilia
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snakes, lizards, turtles, crocodiles
horny epidermal scales that act like an exoskeleton 2 pairs of legs adapted for climbing and running |
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class Aves
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birds; noticeable by feathers
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class Mammalia
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named for mammary glands
dogs, bears, man, zebra, deer, weasels, sea lions, squirrels, rats, dolphins, elephants |