taxonomy

Question 1

fibrous, fluid filled sheath similar to the backbone

-provides strength for swimming

Answer 1

notochord

Question 2

water incompressible

Answer 2

hydrostatic skeleton

Question 3

used as a paddle

Answer 3

post anal tail

Question 4

dont have a DHNC, notochord, or postanal tail as adults

Answer 4

Urochordata, Asiciduacea

Question 5

larva with all present

Answer 5

Ascidian tadpole

Question 6

absorb tail, notochord and DHNC

Answer 6

Metamorphosis

Question 7

have myomeres and myosepta

Answer 7

cephalochordat

Question 8

muscle bands

Answer 8

myomers

Question 9

connective tissue between muscles

Answer 9

myosepta

Question 10

jawless craniates

Answer 10

Agnatha

Question 11

myxini

Answer 11

hagfish

Question 12

hyperoartia

Answer 12

lampreys

Question 13

females die after spawning and males die after eggs hatch

Answer 13

lampreys

Question 14

larval stage of lamprey

Answer 14

ammocoete

Question 15

oldest fossil record and first group to have pectoral fins

Answer 15

osetostraci

Question 16

extinct at the end f permian

Answer 16

placodermi

Question 17

sharks, skates, and rays

Answer 17

Elasmobranchii

-oily liver

Question 18

gradual loss of caudal fin

Answer 18

rays

Question 19

chimaeras or ratfish

no scales except spines

Answer 19

Holocephali

Question 20

Acanthodians, Actinopertygians, Sarcopterygians (us)

Answer 20

Teleostomi

Question 21

fins with a spine and skin

oldest fossils with more sets of paired fins

Answer 21

Acanthodii

Question 22

fins and muscles mostly in body

Answer 22

Actinopterygii

Question 23

largest freshwater fish

Answer 23

Chondeostei

Question 24

caudal fin

-more complex fins

Answer 24

Neopterygii

Question 25

nearly all fish

Answer 25

Teleosts

Question 26

The fish that developed into tetrapods

Answer 26

Saropterygii

Question 27

developed homologous arm and leg bones, internal shanae, kinetic skull, etc

Answer 27

Eustgenopteron

Question 28

loss of dorsal fin

Answer 28

Panderichthys

Question 29

writs ankles, atalis

Answer 29

Titaalik

Question 30

prevent twisting

Answer 30

zygapophyses

Question 31

standard definiiton of praphyletic

Answer 31

Amphibia

Question 32

frogs and toads

Answer 32

salientia

Question 33

salamanders and newts

Answer 33

Caudata

Question 34

caeclilians

Answer 34

Gymnophiona

Question 35

has 3 membranes

Answer 35

amniotic egg

Question 36

anapsid

Answer 36

turtles and early amniotes

Question 37

diapsid

Answer 37

lizards, snakes crocodiles dinosaurs and birds

Question 38

synapsid

Answer 38

mammals | pelycosaurs

Question 39

euryapsid

Answer 39

plesiosaurs | ichthyosaurs

Question 40

also reptillia | means lizard face

Answer 40

Sauropsida

Question 41

most sauropsida and maybe turtles

Answer 41

diapsida

Question 42

dolphin like | live birth

Answer 42

Ichthyosaurs

Question 43

plesiosairs and mososaurs mostly aquatic laid eggs on shore or live young relatives of lizards

Answer 43

Sauropterygia

Question 44

have a kinetic skull

Answer 44

squamata

Question 45

ruling reptiles

Answer 45

Archosauromorpha - crocodylomorpha - pterosauromorpha (pyncifibres)

Question 46

saurischia

Answer 46

lizard-hipped

Question 47

ornithischia

Answer 47

bird-hipped

Question 48

mostly quadrupedal herbivores

Answer 48

sauropodomorpha

Question 49

bipedal

Answer 49

theropoda