Classification

Question 1

Class Calcarea

Answer 1

Calcareous spicules, Pinacoderm present

Question 2

Class Hexactinellida

Answer 2

Siliceaous spicules, Syncytial body wall

Question 3

Class Demospongiae

Answer 3

Siliceous spicules, Pinacoderm present leuconoid sponges, wide variety of shapes 95% of sponges are Demospongiae

Question 4

Subphylum Cephalochordata

Answer 4

= Lancelets which are filter feeders. Possess all 5 of the chordate characteristics

Question 5

Subphylum Urochordata

Answer 5

Tunicates, Marine invertebrates

Question 6

Subphylum Craniata

Answer 6

a clade of chordate animals with a skull of hard bone or cartilage

Question 7

Class Myxini

Answer 7

Hagfish

Question 8

Class Petromyzontida

Answer 8

Lampreys

Question 9

Class Chondrichthyes

Answer 9

Sharks

Question 10

Class Actinopterygii

Answer 10

ray-fined fish

Question 11

Class Sarcopterygii

Answer 11

lobe-finned fish

Question 12

Class Amphibia

Answer 12

amphibians

Question 13

Order Gymnophiona

Answer 13

= Caecilians

Question 14

Order Urodela (Caudata)

Answer 14

Salamanders

Question 15

Order Anura

Answer 15

frogs and toads

Question 16

Class Reptillia

Answer 16

Reptiles

Question 17

Order Testudines (chelonia)

Answer 17

Turtles and Tortoise

Question 18

Order Squamata

Answer 18

scaled reptiles eg. Lizards and Snakes

Question 19

Suborder Lacertilia

Answer 19

Lizards

Question 20

Suborder serpents

Answer 20

snakes

Question 21

Order Crocodila

Answer 21

Crocodiles, alligators & caimans, gharials

Question 22

Class Aves

Answer 22

Birds

Question 23

Class Mammalia

Answer 23

endothermic amniotes animal with mammary glands

Question 24

Infraclass Ornithodelphia

Answer 24

monotremes (platypus & echidnas)

Question 25

Infraclass Metatheria

Answer 25

Marsupials (Koalas, Wombats, Possums, Kangaroos)

Question 26

Infraclass Eutheria

Answer 26

Placental mammals (elephants, rats, bats, lemurs)

Question 27

Class Asteroidea

Answer 27

Star fish

Question 28

Class Ophiuroidea

Answer 28

brittle stars

Question 29

Class Echinoidea

Answer 29

Sea urchin

Question 30

Class Holothuroidea

Answer 30

sea cucumbers

Question 31

Subphylum Trilobita

Answer 31

Trilobite

Question 32

Subphylum Chelicerate

Answer 32

have only 2 fused body segments and Also have appendages called Chelicerae to grasp food

Question 33

Class Pycnogonida

Answer 33

Sea Spiders

Question 34

Class Merostomata

Answer 34

Horseshoe Crabs

Question 35

Class Arachnida

Answer 35

have 8 legs

Question 36

Order Araneae

Answer 36

Spiders

Question 37

Order Scorpiones

Answer 37

Scorpions

Question 38

Order Acari

Answer 38

ticks and mites

Question 39

Subphylum Myriapoda

Answer 39

Bodies elongated with many segments

Question 40

Class Chilopoda

Answer 40

centipedes

Question 41

Class Diplopoda

Answer 41

millipedes

Question 42

Subphylum Crustaceans

Answer 42

have biramous appendages, two pairs of antennae, one pair of mandibles + two pairs of maxillae, body divided into cephalothorax and abdomen, respiration via external gills

Question 43

Malacostraca

Answer 43

abdomen typically 6 segments, Thorax typically 6 segmented (Krill, yabbies, lobsters, shrimp etc)

Question 44

Order Amphipoda

Answer 44

no carapace and laterally compressed bodies (sandhopper)

Question 45

Order Isopoda

Answer 45

no carapace, dorse-ventrally compressed (woodlice)

Question 46

Order Euphausiacea

Answer 46

Krill

Question 47

Order Decapoda

Answer 47

5 pairs of walking legs (crabs)

Question 48

Subphylum Hexapoda

Answer 48

3 body tagmata (head, thorax, abdomen)

Question 49

Class Insecta

Answer 49

3 pairs of legs

Question 50

Order Apterygota

Answer 50

no wings (silverfish)

Question 51

Order Pterygota

Answer 51

winged insects (dragonfly)

Question 52

Class Polychaetes

Answer 52

clear parapodia evident and are generally marine

Question 53

Subclass Errantia

Answer 53

clear parapodia evident for crawling/swimming

Question 54

Subclass Sedentaria

Answer 54

filter or deposit feeders which use parapodia (annelids)

Question 55

Class Siboglinidae

Answer 55

no mouth, no digestive tract (breadworms)

Question 56

Class Oligochaetes

Answer 56

no parapodia (earthworm)

Question 57

Hirudinea

Answer 57

Leeches

Question 58

Class Polyplacophora

Answer 58

has 8 dorsal plates(Chitons)

Question 59

Class Gastropoda

Answer 59

general slow moving, experience torsion, with shells univalve and coiled (snails)

Question 60

Class Bivalvia

Answer 60

shell has 2 values (abalone, muscles)

Question 61

Class Scaphopoda

Answer 61

No gills (tusk shells)

Question 62

Class Cephalopoda

Answer 62

tentacles with suckers (octopus, cuttlefish, squid)

Question 63

Class Anthozoa

Answer 63

sea anemones and corals

Question 64

Subclass Hexacorallia

Answer 64

Anemones and hard corals

Question 65

Order Actinaria

Answer 65

sea anemones

Question 66

Order Scleractinia

Answer 66

stony corals

Question 67

Subclass Octocorallia

Answer 67

soft and horny corals

Question 68

Class scyphozoa

Answer 68

true jelllyfish

Question 69

1. Why is there a division at Metazoa?

Answer 69

look at book

Question 70

2. What is the Parazoa-Eumentazoa split?

Answer 70

look at book

Question 71

3. What is the Bilateria split?

Answer 71

look at book

Question 72

4. What is the Proto-deuterostome split?

Answer 72

look at book

Question 73

5. What is the Ecdysozoa and Lophotrochozoa split?

Answer 73

look at book

Question 74

27. How are Fish, mammals, Birds and Tetra different?

Answer 74

Vertebrate hearts can be categorized by the number of chambers they have: Two chambers: one atrium and one ventricle (fish) Three chambers: two atria and one ventricle (amphibian and reptile) Four chambers: two atria and two ventricles (bird and mammal) Respiration = Birds are efficient, Highly efficient lungs - flow-through parabronchi, airsacs Air flows unidirectionally over gas exchange surface Channels = parabronchi Mammals have lungs Fish have gills Amphibians have lungs but breath through skin