Lab 8

Question 1

What does bivalve mean

Answer 1

two valves

Question 2

what does gastropoda mean

Answer 2

Stomach foot

Question 3

What does cephalopoda mean

Answer 3

Head foot

Question 4

What does polyplacophora mean

Answer 4

Many plates

Question 5

What does polychaeta mean

Answer 5

many hairs

Question 6

Example of a clitellata

Answer 6

Leech

Question 7

Example of a cephalopoda

Answer 7

cuttlefish

Question 8

Example of a gatropoda

Answer 8

Nudibranch

Question 9

Example of a polychaeta

Answer 9

sea mouse

Question 10

Example of a polypacophora

Answer 10

chiton

Question 11

3 body regions of a mollusca

Answer 11

VIsceral mass, foot, mantle

Question 12

Phylum of a fan worm

Answer 12

Annelida

Question 13

Class for organisms that use radula

Answer 13

Gastropoda

Question 14

What is a radula

Answer 14

Scissor tounge

Question 15

What is the corp

Answer 15

A large digestive organ in earth worm

Question 16

Where is the pharynx on an earth worm

Answer 16

at the head almost

Question 17

Classes under phylum Molusca

Answer 17

Bivalvia
Polyplacophora
Gatropoda
Cephalopoda

Question 18

Classes under Phylum Annelida

Answer 18

Polychaeta

Clitellata

Question 19

Phylum Molusca Classification

Answer 19

Soft bodied, some have a shell
Bilateral symmetry
3 body regions

Question 20

3 Body regions of a mollusc

Answer 20

Foot (locomotion)
Visceral mass (Digestive and circulatory organs)
Mantle (tissue that secretes the shell.)

Question 21

Class Bivalvia Classification

Answer 21

Shell with two halves
Mantle
(Mussels, Clams, Scallops, Oysters)

Question 22

Class Polyplacophora Classification

Answer 22

Primitive marine organisms
Shell with 8 overlapping plates
foot on ventral side to suction to rocks
(Chitions)

Question 23

Class Gastropoda Classification

Answer 23

Largest and most diverse mollusks
Some adults retain shells (snails)
(Snails, Slugs, Nudibranchs)

Question 24

What is unique about snails

Answer 24

Slime gland is used to move.

Mouth contains radula that scrapes and grinds (Also slugs)

Question 25

What is unique about slugs

Answer 25

Need to stay moist

Nocternal

Question 26

What is unique about nudibranchs

Answer 26

They use camoflage or bright colors

Question 27

Class Cephalopoda Classification

Answer 27

Most advanced mollusks
Modified foot (tentacles)
Highly developed eyes
(Squids, octopuses, cuttlefish)

Question 28

Phylum Annelida Classification

Answer 28

Segmented worms

True body cavity

Question 29

Class polychaeta Classification

Answer 29

Thousands per square meter.
Lots of “hairs”
(Sea mouse, Feather duster, Polychaeta worm)

Question 30

Class clitellata (subclass oligocaeta) Classification

Answer 30

Earth worms

Clitellum for reproduction (hermaphroditic)

Question 31

Class clitellata
Sub class hirudinea
Classification

Answer 31

Leeches
Mostly freshwater
Not parasites (predators because of blood sucking)
Anterior and posterior sucker 
(can eat 3x their body weight)
Hermaphroditic Cannot self fertilize