BIS 2C: Metazoa

Question 1

porifera

Answer 1

sponge

Question 2

cnidaria

Answer 2

anthozoa, hydrozoa, scyphozoa, cubozoa

Question 3

anthozoa

Answer 3

sea anemone, coral, sea pens

Question 4

hydrozoa

Answer 4

hydra, physalia

Question 5

scyphozoa

Answer 5

sea jellies

Question 6

cubozoa

Answer 6

cube/ box jellies

Question 7

arthropoda

Answer 7

chelicerates, myriapods, hexapods,
“crustacea”, trilobites (extinct)

Question 8

chelicerates

Answer 8

arachnids, horseshoe crabs

Question 9

myriapods

Answer 9

centipedes, millipedes

Question 10

hexapods

Answer 10

insects and allies

Question 11

“crustacea”

Answer 11

shrimp, crab, lobster, barnacle

Question 12

annelida

Answer 12

polychaeta, clitellata

Question 13

polychaeta (paraphyletic)

Answer 13

sand worm, tube worm, clam worms

Question 14

clitellata

Answer 14

oligochaete, leeches

Question 15

molluska

Answer 15

chitons, bivalves, gastropods, cephalopods

Question 16

bivalves

Answer 16

clams, mussels, oysters, scallops

Question 17

chitons

Answer 17

polyplachophore

Question 18

gastropods

Answer 18

snails, slugs, sea slugs, conchs

Question 19

cephalopods

Answer 19

squid, octopus, cuttlefish, nautiluses

Question 20

echinodermata

Answer 20

sea stars, sea urchins, sea cucumbers, sand dollars

Question 21

chordates

Answer 21

invertebrate (without backbone)
vertebrate (with backbone)

Question 22

invertebrates

Answer 22

tunicates and cephalochordates