Deuterostomia + SP. Craniata Flashcards Preview

BIOL 1030 > Deuterostomia + SP. Craniata > Flashcards

Flashcards in Deuterostomia + SP. Craniata Deck (35):
1

P. Chordata

4 features:

Dorsal, hollow nerve cord, notochord, gill slits, postanal tail

2

P. Echinodermata

Echinoderms (sea urchins, sea stars, sea cucumbers)

Endoskeleton, madreporite, and tube feet

3

P. Hemichordata

"Half" chordates with dorsal nerve cord and gill slits

Proboscis, collar, and trunk

4

SP. Cephalochordata

Lancelets

No brain

5

SP. Urochordata

Sea squirts and tunicates

6

SP. Craniata

Brain protected by cranium

Vertebral column

Neural crest ectoderm

7

C. Crinoidea

Sea lilies and feather stars

8

C. Asteroidea

Sea stars

9

C. Ophiurodea

Brittle stars

10

C. Echinoidea

Sea urchins and sand dollars

11

C. Holothuroidea

Sea cucumbers

12

cyclostomes

Jawless fishes

13

hagfishes

Slime glands

14

lampreys

Ammocoete larvae

15

gnathostomes

Jawed vertebrates

16

SC. Osteichthyes

Bony fishes

Swim bladder, operculum (gill cover), bony scales

17

SC. Sarcopterygii

Lobe-finned fishes (coelacanth and lungfishes)

Give rise to tetrapods

18

amniotes

Completely adapted to land

Amniotic egg prevents drying

Keratinized skin and thoracic/pulmonary breathing

19

C. Mammalia

Hair, mammary glands, heterodont teeth

20

eutherians

Placentals

21

C. Chondrichthyes

Cartilaginous fishes (sharks, skates, rays)

22

SC. Actinopterygii

Ray-finned fishes

Most fish alive today

23

C. Ampihbia

Amphibians

Cutaneous respiration

24

C. Reptilia

Ectothermic, improved heart

25

O. Monotremata

Monotremes (platypus, spiny echidna)

Mammals that lay eggs

26

O. Marsupialia

Marsupials

Give birth to young that develop in pouch

27

Ambulacraria

Include P. Echinodermata and P. Hemichordata

28

O. Urodela

Salamanders

29

O. Anura

Frogs and toads

30

O. Apoda

Caecilians

31

O. Chelonia

Turtles

32

O. Squamata

Diapsids (lizards, snakes)

33

O. Rhynchocephalia

Tuataras

"3rd eye"

34

O. Crocodylia

Thecodonts (diapsid protodinosaurs)

Crocodiles, alligators, gavials, caimans

35

C. Aves

"Clade" with reptilia

Includes O. Passeriformes