Vertebrates

Question 1

The notocord is replaced by this after the post natal stage

Answer 1

Vertbral column

Question 2

most chordates the dorsal hallow nerve chord is derived from ectoderm and becomes

Answer 2

Central Nervous system

Question 3

In tetrapods the pharyngeal gills(slits) become what in post natal form?

Answer 3

Ear & Tonsils

Question 4

This chordate group posses a notocord, dorsal hallow nerve chord, Pharyngeal Silts, and a post anal tail in the adult stage?

Answer 4

Lancets

Question 5

Most species in a phylum?

Answer 5

Boney Fish, Osteichthyes

Question 6

All chordates have what ?

Answer 6

Post notochord, central nervous system, Pharyngeal Silts, and post anal tail

Question 7

Urochordata?

Answer 7

Turnicates

Question 8

Cephalochordata?

Answer 8

Lancets

Question 9

Urochordata?

Answer 9

Turnicate

Question 10

Myxini?

Answer 10

Hagfish; Agnatha;

Question 11

Petromyzontidae?

Answer 11

Lampreys

Question 12

Chondrichthyes?

Answer 12

Sharks & friends

Question 13

Osteichthyes?

Answer 13

Boney Fish, have a swim bladder unlike Sharks

Question 14

Actinopterygii?

Answer 14

Ray-finned fishes

Question 15

Sarcopterygii?

Answer 15

Lobed fin fishes

Question 16

Urodela?

Answer 16

Salamanders and Newts. 500 sp.

Question 17

Anura?

Answer 17

Frogs & toads. 5000 sp

Question 18

Apoda?

Answer 18

Caecillians-glass lizards.. 180 sp. Amphibians

Question 19

Amniota?

Answer 19

Terrestrial animals, Amniotic eggs

Question 20

Sphenodontia?

Answer 20

Wedge-toothed- Tuatara

2 species only in New Zealand

Question 21

Squamata?

Answer 21

Lizards & snakes 3000 sp.

Question 22

Testudines?

Answer 22

Turtles & tortises

Question 23

what is unique about birds?

Answer 23

Pneumatic bones, air sacs allowing for unidirectional air flow during flight, Feathers, actually reptiles

Question 24

What are the unique traits of mammals?

Answer 24

Hair, Mammary Glands, 4 chambered heart, and Brachiation which is the rotation of joints like arm swinging and thumbs

Question 25

Monotreme?

Answer 25

(Egg Laying) Platypus, anteaters

Question 26

Marsupials?

Answer 26

Pouched mammals, opossum kangeroos taz devils

Question 27

Eutherian?

Answer 27

All mammals besides Marsupials & Monotremes. They are Placental or having a placenta

Question 28

Prosimians?

Answer 28

small(in size) order of primapes including Lemurs, bush babys, tarsir

Question 29

Anthropoids?

Answer 29

True Monkeys, chimps, Gorllias and Humans

Question 30

Cephalization?

Answer 30

Formation of the head and sensory systems being combined in the head/brain system. This allows higher animals the ability of pursuit predation, and bilateral symmetry.

Question 31

Hydrostatic Skelton?

Answer 31

Driven by water pressure, earthworms cephalapods, and nematodes

Question 32

Oviporous?

Answer 32

Egg bearing...like birds and reps.

Question 33

Viviporous?

Answer 33

Live bearing, mammals

Question 34

Oviviviporous

Answer 34

Egg live bearing or sharks

Question 35

Precotial offspring?

Answer 35

self feeding

Question 36

Altricial offspring?

Answer 36

Parental fed

Question 37

Polyandry?

Answer 37

many males mating with one female