Phylums of Animalia

Question 0

two basic body forms, medusa and polyp, jellyfish

Answer 0

Cnidaria

Question 1

Lack nervous system, reproduce asexually, sponges

Answer 1

Porifera

Question 2

mostly fresh water, reproduce via cyclic parthenogenesis

Answer 2

Rotifera

Question 3

flattened unsegmented bodies, mouth but no anus

Answer 3

Platyhelminthes

Question 4

unsegmented round worms, mouth and an anus

Answer 4

Nematodes

Question 5

cylindrical, segmented bodies with bristles, leeches

Answer 5

Annelids

Question 6

Soft bodied and unsegmented, muscular foot, visceral mass and head

Answer 6

Mollusca

Question 7

two shells hinged together, scallop

Answer 7

Bivalvia (Mollusca)

Question 8

Shell, head and tentacles with eyes, snail

Answer 8

Gastropoda

Question 9

Mollusca class: eyes and tentacles, squid

Answer 9

Cephalopoda (Mollusca)

Question 10

exoskeleton made of chitin, jointed appendages, segmented bodies, grow in stages after moulting, open circulation system

Answer 10

Athropods

Question 11

Arthropoda Class: mainly marine, gills, two pairs of antennae, three pairs of mouthparts, lobster

Answer 11

Crustacea (anthropods)

Question 12

terrestrial, two body parts, four pairs of legs, two feeding appendages, no antennae

Answer 12

Arachnida

Question 13

mostly terrestrial, most can fly, three body parts (head thorax abdomen) one pair of antannae, three pairs of legs

Answer 13

Insecta

Question 14

clearly defined head, round body with many segments, each with two pairs of legs, one set of antennae and one pair of mouthparts, millipede

Answer 14

Diplopoda

Question 15

clearly defined head, flat body with many segments, each with one pair of legs, one set of antennae and one pair of mouthparts, centipede

Answer 15

Chilopoda

Question 16

rigid body walls, internal skeleton, many posses spines, ventral mouth, dorsal anus, external fertilisation, tube feet, water vascular system, sea star

Answer 16

Echinodermata

Question 17

Dorsal notochord and post anal tail both present at some stage in development, dorsal, tubular nerve cord, pharyngeal slits present, circulation system closed in most, heart positioned on ventral side

Answer 17

Chordata

Question 18

internal skeleton of cartilage, no swim bladder, all aquatic, sharks

Answer 18

Chondrichthyes (Chordata)

Question 19

bony fish, swim bladder present, all aquatic, eel

Answer 19

Osteichthyes

Question 20

lungs in adult, girls may be present in juveniles, has exchange through skin, aquatic and terrestrial (damp environments)

Answer 20

Amphibia

Question 21

ectothermic with no larval stage, teeth are the same type, eggs with soft leathery shells, mostly terrestrial, snakes

Answer 21

Reptilia (Chordata)

Question 22

terrestrial endotherms, eggs with hard callerous shells, strong light skeleton, high metabolic rate, gas exchange by air sacks, penguin

Answer 22

Aves

Question 23

endotherms with hair or fur, mammary glands produce milk, glandular skin, external ears, teeth are different types, diaphragm between ons omen and thorax, three sub classes: monotremes, marsupials and placentals

Answer 23

Mammilia