Quiz 1

Question 1

Phylum Mollusca

Answer 1

soft bodied, bilateral animals with a mantle, usually with a calcareous shell and a radula

Question 2

Class Polyplacophora

Answer 2

possessing many (8) shells; chitons

Question 3

Class Bivalvia

Answer 3

Two valves; clams, muscles, oysters, scallops

Question 4

Class Scaphopoda

Answer 4

“bowl foot”; tusk or tooth shell

Question 5

Class Gastropoda

Answer 5

“stomach foot”; snails, slugs, sea hares

Question 6

Class Cephalopoda

Answer 6

“head foot”; nautiloids, squids, cuttlefish, octopods

Question 7

Mantle

Answer 7

Fleshy “skin”, secretes shell; unique to mollusk

Question 8

Foot

Answer 8

locomotive, burrowing

Question 9

Radula

Answer 9

rasping feeding organ (tongue with teeth)

Question 10

Cryptochiton

Answer 10

Phylum Mollusca

Class Polyplacophora

Question 11

Amblema

Answer 11

Phylum Mollusca
Class Bivalvia
dissected

Question 12

Pecten

Answer 12

Phylum Mollusca
Class Bivalvia

Scallop

Question 13

Teredo

Answer 13

Phylum Mollusca
Class Bivalvia

Shipworm

Question 14

Tridacna

Answer 14

Phylum Mollusca
Class Bivalvia

Pacific Giant Clam

Question 15

Dentalium

Answer 15

Phylum Mollusca

Class Scaphopoda

Question 16

Conus

Answer 16

Phylum Mollusca
Class Gastropoda

Simple shell

Question 17

Cypraea

Answer 17

Phylum Mollusca
Class Gastropoda

Necklace shells, small teeth

Question 18

Haliotus

Answer 18

Phylum Mollusca
Class Gastropoda

No hinged shell, Pores

Question 19

Murex

Answer 19

Phylum Mollusca
Class Gastropoda

Spiked shell

Question 20

Polineces

Answer 20

Phylum Mollusca
Class Gastropoda

Moon Snail

Question 21

Nautilus

Answer 21

Phylum Mollusca
Class Cephalopoda

Multi-chambered shell

Question 22

Loligo

Answer 22

Phylum Mollusca
Class Cephalopoda

Squid

Question 23

Architeuthis

Answer 23

Phylum Mollusca
Class Cephalopoda

Giant Squid

Question 24

Sepia

Answer 24

Phylum Mollusca
Class Cephalopoda

Cuttlefish

Question 25

Octopus

Answer 25

Phylum Mollusca

Class Cephalopoda

Question 26

Shell Parts

Answer 26

Periostracum (outer)
Prismatic (Middle)
Nacreous (Inner)

Question 27

Planispiral

Answer 27

Flat spiral

Question 28

Dextral

Answer 28

Right

Question 29

Sinistral

Answer 29

Left

Question 30

Phylum Arthropoda

Answer 30

Jointed appendages and chitinous exoskeleton

Question 31

Subphylum Trilobita

Answer 31

extinct marine arthropods with 3 tagmata, 3 body “lobes”, and a biramous appendages

Question 32

Subphylum Chelicerata

Answer 32

4 pairs of walking legs, 2 tagmata

Class Merostomata (Limulus)
Class Arachnida (Tarantula)

Question 33

Subphylum Crustacea

Answer 33

Mostly aquatic, calcified, external shell, biramous appendages, 2 pairs of antennae

Class Malacostraca (Cambarus, Callinectes, Cancer, Pagurus, Penaeus)
Class Cirripedia (Balanus, Lepas)

Question 34

Subphylum Uniramia

Answer 34

Unbranched, uniramous appendages, 1 pair of antennae, mostly terrestrial

Class Diplopodia (2 pairs of legs per segments: Millipedes)
Class Chilopoda (1 pair of legs per segments: centipedes)
Class Insecta (3 pairs of legs per segments: 3 tagmata, two pairs of wings)

Question 35

Tagmata

Answer 35

fused segments

Question 36

fossils

Answer 36

Trilobita

Question 37

no antennae

Answer 37

Chelicerata

Question 38

1 antennae

Answer 38

Uniramia

Question 39

2 antennae

Answer 39

Crustacea