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Mollusks and Annelids
Mollusks and Annelids
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1
What is the larval stage of the clam called?
oligochaetes
cephalopods
trochophore
pharynx
2
What structure do clams use for respiration?
radula
lung
gill
mantle
3
What is 8?
visceral mass
gills
mantle
heart
4
What is 5?
hinge ligament
radula
umbo
heart
5
What is the smartest class of mollusks?
bivalves
annelids
gastropods
cephalopods
6
Why phylum do octopus belong to?
animal
mollusca
eukarya
cephalopds
7
What is the oldest part of a clam?
shell
hinge ligament
visceral mass
umbo
8
What class do squid belong to?
oligochaetes
cephalopds
gastropods
mollusca
9
What increases the surface area of the intestines of annelids?
radula
chromatophores
typhlosole
torsion
10
What can the nephridia be compared to in humans?
liver
kidneys
lungs
stomach
11
What are the pigments cells in located in cephalopods?
clitellum
chromatophores
arms
typhlosole
12
What class of mollusks have two shells?
gastropods
bivalves
cephalods
annelida
13
What is the sac that has the heart called?
pericardial sac
periodical sac
pursian sac
periodontal sac
14
What structure sucks up soil in an earthworm?
gills
aoortic arch
radula
pharnyx
15
What is it called to have both gonads?
successful
hermaphroditic
bisexual
asexual
16
What is a tongue-like organ with teeth called?
trochophore
mantle
radula
setae
17
What kingdom does an earthworm belong to?
annelidia
molluska
animalia
eukayra
18
What type of circulatory system do clams have?
open
closed
19
What class does an earthworm belong to?
Molluska
Cephalopodia
Annelida
Oligochaetes
20
What phylum do clams belong to?
Animal
Mollusca
Eukarya
bivalvia
21
What belongs to the class hirundinea?
earthworms
leeches
clams
chambered nautulis
22
What is used to distinguish the anterior and posterior end of an earthworm?
hermaphroditic
mantle
typhlosole
clitellum
23
What class of mollusks has one shell?
cephalopds
gastropods
bivalves
annelida
24
What is the forcefully squeezing of water from the siphons called?
mantle
jet propulsion
respiration
diffusion
25
What makes up the shell of a clam?
sandstone
calcium lithate
limestone
calcium carbonate
26
What is the end with the mouth called?
ventral
posterior
anterior
dorsal
27
What is it called when snails twist their bodies?
torsion
revolving
spinning
Twistion
28
What type of body cavity is found in an earthworm?
open
psudocoelomate
closed
coelomate
29
What helps an earthworm with locomotion and reproduction?
gizzard
setae
radula
crop
30
What is I?
gizzard
intestine
aortic arches
crop
31
What structure pumps blood through an earthworm?
trochophore
aortic arches
setae
manlte
32
What means little rings?
annelida
torsion
typhlosole
molluska
33
Where are most of the organs of a clam found?
mantle
typhlosole
aortic arch
visceral mass
34
What are the external bristles on an earthworm called?
mantle
radula
setae
pharynx
35
What type of circulatory system do earthworms have?
closed
open
36
How do clams get their food?
diffusion
hunting
filter
osmosis
37
What is the end with the anus called?
dorsal
anterior
posterior
ventral
38
What class does the chambered nautilus belong to?
annelida
cephalopod
molluska
gastropods
39
What organ do earthworms use to respire?
gills
skin
kidneys
lungs
40
What is the underside of an animal called?
anterior
ventral
posterior
dorsal
41
What means few bristles?
cepholopod
annelida
oligochaeta
gastropod
42
What makes the shell of a mollusk?
gizzard
mantle
adductor musle
crop
43
What opens and closes the shell of a clam?
crop
abductor musle
hinge ligament
adductor muscle
44
What is 16?
visceral mass
gills
mantle
lungs
45
What is the backside of an animal called?
dorsal
ventral
posterior
anterior
46
What domain do clams belong to?
eukarya
bivalve
mollusca
animal
47
What is 14?
adductor musle
heart
mantle
visceral mass
48
What is d?
stomach
crop
intestine
gizzard
49
Which mollusk does not have a radula?
snail
slug
clam
earthworm
50
What is c?
gizzard
crop
aortic arches
stomach
51
What does the clam use to borrow into the sand?
gills
setae
radula
foot
