Zoology Exam 2:phylum Chordata

Front 1

Phylum Chordata 6 Characteristics

Back 1

all possess a notochord, dorsal hollow nerve cord, pharyngeal gill slits, post anal tail, complete digestive system and endoskeleton.

Front 2

Subphylum Urochordata

Back 2

entirely marine- includes sea squirts and tunicates

Front 3

class Ascidiacea

Back 3

-attached tunicates
-benthic, completely marine
-tunic surrounds the body, two syphons project from the body
-use of Neotony; adult stage missing from life cycle

Front 4

class Thalicea

Back 4

"salps" - pelagic
Pyrosoma- "fire body"
known as the tunicate colony, clear and jelly like

Front 5

Subphylum Cephalochordata-
class Amphioxus

Back 5

"variable"
live in clean sand, burrow in sand
collected off a coastline in China- used for food

Front 6

Subphylum Vertebrata

Back 6

includes all vertebrates

Front 7

Ostracaderms

Back 7

electrogenic organs, produce electricity

Front 8

Placoderm

Back 8

Dinichthyes- 1st jawed vertebrates

Front 9

Chondrichthyes

Back 9

"cartilage fish"
-sharks, rays, skates, and ratfish
-marine; few freshwater
- body made of cartilage
" Marine Gold"

Front 10

which vertebrate is known for the oil of Coenzyme Q10?

Back 10

sharks- Chondrichthyes

Front 11

class Osteichthyes

Back 11

"bony fish"
-sea horses, tuna, halibut, perch, barracuda, rockfish, tropical fish

Front 12

class Amphibia

Back 12

"variable life" - includes frogs, toads, newts, salamanders, caecilians
-hover between land and water
-eggs laid in water, external fertilizatino
larval---> adult stage

Front 13

class Reptilia

Back 13

snakes, lizards, turtles, crocodiles
horny epidermal scales that act like an exoskeleton
2 pairs of legs adapted for climbing and running

Front 14

class Aves

Back 14

birds; noticeable by feathers

Front 15

class Mammalia

Back 15

named for mammary glands
dogs, bears, man, zebra, deer, weasels, sea lions, squirrels, rats, dolphins, elephants