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Invertabrates and the Origin if Animal Diversity

Total questions: 241

Worksheet time: 12hrs 3mins

Name
Class
Date
1.

There are <1.3 million extant species of animals

a)

True

b)

False

2.

What percentage of animals are invertebrates?

a)

85%

b)

90%

c)

95%

d)

100%

3.

Animals are placed in about how many phyla?

(a)  

4.

Most animals are

a)

Terrestrial

b)

Aquatic

5.

Most animals have which of these traits?

a)

Eukaryotic

b)

Multicellular

c)

Heterotrophic

d)

Store Carbohydrates as glycogen

e)

Have muscle and nerve cells

6.

We divide animals using which characteristics

a)

Development

b)

Germ Layers

c)

Reproduction

d)

Body Cavity

e)

Symmetry

7.

What is the succession of mitotic divisions?

(a)  

8.

What is a hollow ball of cells?

(a)  

9.

Embryonic tissues of the adult body are produced during

(a)  

10.

What is the cup shaped embryo?

(a)  

11.

What are the three germ layers that form after gastrulation? (innermost to the outermost) (format for answering is xxxxx, xxxxx, xxxxxx)

(a)  

12.

What is the outer layer of cells that form skin, sense organs, and nerves?

(a)  

13.

What is the inner layer of cells that form the digestive tract and respiratory organs?

(a)  

14.

What is the middle layer of cells that form the circulatory, reproductive, and excretory systems?

(a)  

15.

Animals with radial symmetry produce which layers?

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

16.

What is it called when animals only produce the endo and ecto derms?

(a)  

17.

What is it called when animals produce all three derm layers?

(a)  

18.

Animals with bilateral symmetry produce which layers?

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

19.

Animals with bilateral symmetry produce which layers?

a)

Endoderm

b)

Ectoderm

c)

Mesoderm

20.

What is an air/fluid filled space, separating the digestive tract from the outer layer of the body?

(a)  

21.

What are animals that have 'solid bodies' without a cavity between the gut and outer body called?

(a)  

22.

What is an example of an acoelomate?

a)

Flatworms

b)

Nemotodes

c)

Mammals

23.

What are animals that have a body cavity without a mesoderm tissue called?

(a)  

24.

What is an example of an psuedocoelomate?

a)

Flatworms

b)

Nemotodes

c)

Mammals

25.

What are animals that have a true coelom with suspended organs called?

(a)  

26.

What is an example of an coelomate?

a)

Flatworms

b)

Nemotodes

c)

Mammals

27.

Which symmetry cannot be divided evenly in any plane?

a)

Asymmetry

b)

Spherical Symmetry

c)

Radial Symmetry

d)

Bilateral Symmetry

28.

Which symmetry is shaped like globes or spheres?

a)

Asymmetry

b)

Spherical Symmetry

c)

Radial Symmetry

d)

Bilateral Symmetry

29.

Which symmetry has a top and a bottom, but no left or right?

a)

Asymmetry

b)

Spherical Symmetry

c)

Radial Symmetry

d)

Bilateral Symmetry

30.

Which symmetry has a dorsal, ventral anterior, and a posterior end and can be divided in half on only one plane?

a)

Asymmetry

b)

Spherical Symmetry

c)

Radial Symmetry

d)

Bilateral Symmetry

31.

What is an example of an asymmetrical animal?

a)

sponges

b)

sea urchin

c)

sea stars

d)

lizards

32.

What is an example of a spherically symmetrical animal?

a)

sponges

b)

sea urchin

c)

sea stars

d)

lizards

33.

What is an example of a radially symmetrical animal?

a)

sponges

b)

sea urchin

c)

sea stars

d)

lizards

34.

What is an example of a bilaterally symmetrical animal?

a)

sponges

b)

sea urchin

c)

sea stars

d)

lizards

35.

What is the concentration of sensory organs toward one end?

(a)  

36.

What are the 8 levels of taxonomy? ( answer format is xxxxxx, xxxxxx, xxxxx, xxxxxx, xxxxxx, xxxxxx, xxxxx, xxxxx)

(a)  

37.

What is/are the kingdom(s) in the domain Bacteria?

a)

Protista

b)

Eubacteria

c)

Archea (Archeabacteria)

d)

Fungi

e)

Plantae

38.

What is/are the kingdom(s) in the domain Eukarya?

a)

Protista

b)

Animaliae

c)

Archea (Archeabacteria)

d)

Fungi

e)

Plantae

39.

What is/are the kingdom(s) in the domain Archea?

a)

Protista

b)

Eubacteria

c)

Archea (Archeabacteria)

d)

Fungi

e)

Plantae

40.

This phylum means to have holes

(a)  

41.

This phylum means to have holes

(a)  

42.

Which phylum has eukaryotic cells but does not have tissues?

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

43.

Which phylum has a sessil filter?

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

44.

Which phylum has a endoskeleton made up on spicules?

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

45.

What is the name for spicules made from calcium carbonate?

(a)  

46.

What is the name for spicules made from silica(glass)?

(a)  

47.

The shape of these determines the type of sponge?

(a)  

48.

What protein connects spicules to other spicules?

(a)  

49.

What are the three basic forms of Phylum Porifera? (xxxx, xxxx, xxxx)

(a)  

50.

Which basic form of Phylum Porifera is this?

a)

asconoid

b)

Syconoid

c)

Leuconoid

51.

Which basic form of Phylum Porifera is this?

a)

asconoid

b)

Syconoid

c)

Leuconoid

52.

Which basic form of Phylum Porifera is this?

a)

asconoid

b)

Syconoid

c)

Leuconoid

53.

What is the open cavity in the middle of the sponge?

(a)  

54.

What are the holes on the sides of sponges that draw water in called?

(a)  

55.

What is the top of the sponge where water exits called?

(a)  

56.

Phylum Porifera can reproduce sexually and asexually

a)

True

b)

False

57.

Phylum Porifera: What type of asexual reproduction is it when the bud forms from the parent cell?

(a)  

58.

Phylum Porifera: What type of asexual reproduction is it when a fragment breaks off and grows into a new sponge?

(a)  

59.

Sponges are hermaphrodites

a)

True

b)

False

60.

Phylum Porifera is

a)

Asymmetrical

b)

Spherically Symmetrical

c)

Radially Symmetrical

d)

Bilaterally Symmetrical

61.

What is this creature? (I am sorry about the photo, I couldn't find a better one)

(a)  

62.

Phylum Cnidaria is

a)

Asymmetrical

b)

Spherically Symmetrical

c)

Radially Symmetrical

d)

Bilaterally Symmetrical

63.

Phylum Cnidaria is

a)

diploblastic

b)

triploblastic

64.

In Phylum Cnidaria, the two layers in an adult are

a)

Ectoderm

b)

Epidermis

c)

Mesoderm

d)

Gastrodermis

e)

Endoderm

65.

Polyp's and Medusa's belong to which Phylum?

a)

Porifera

b)

Cnidaria

c)

Ctenophora

d)

Platyhelminthes

66.

Sessile;vase shaped: adheres to a substrate by aboral end and extends tentacles around oral end to contact prey

a)

Polyp

b)

Medusa

67.

Motile;bell shaped: tentacles dangle downward

a)

Polyp

b)

Medusa

68.

What is label a?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

69.

What is label b?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

70.

What is label c?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

71.

What is label d?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

72.

What is open area in the center called?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

73.

What is label a?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

74.

What is label b?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

75.

What is label c?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

76.

What is label d?

a)

Mouth/oral end

b)

Aboral end

c)

Epidermis

d)

Gastrodermis

e)

Gastrovascular Cavity

77.

Do Phylum Cnidaria function as carnivores?

a)

Yes

b)

No

78.

This receives food from 'mouth' for digestion

(a)  

79.

Do Phylum Cnidaria have a complete digestive system?

a)

Yes

b)

No

80.

Doesn't have a brain but has a nerve net

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

81.

Stinging cells in Cnidarians

(a)  

82.

Stingers in Cnidarians

(a)  

83.

most alternate between polyp and medusa stages

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

84.

Most diverse class

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

85.

Obelia

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

86.

Physalia

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

87.

Hydra

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

88.

Colonial polyp with medusa stage

a)

Obelia

b)

Physalia

c)

Hydra

89.

'Portuguese man of war' - tentacles can reach up to 9m

a)

Obelia

b)

Physalia

c)

Hydra

90.

only exist in polyp form; like freshwater ponds and streams

a)

Obelia

b)

Physalia

c)

Hydra

91.

'true' jellyfish

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

92.

Aurelia

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

93.

Coastal species alternate forms; open ocean species are only medusa

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

94.

Tentacles tend to be short, but they have long 'oral arms'

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

95.

'umbrella' appears to be squared off

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

96.

better swimmers than true jellies

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

97.

complex eyes

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

98.

sea wasp

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

99.

Sea wasp has poison more potent than cobra venom

a)

True

b)

False

100.

means 'flowering animals'

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

101.

sea anemones and corals

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

102.

do not display the medusa stage, only polyp (some colonial)

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

103.

corals secrete calcium carbonate exoskeleton

a)

Hydrozoa

b)

Scyphozoa

c)

Cubozoa

d)

Anthozoa

104.

Corals fuse to the skeletal remains of past corals

a)

True

b)

False

105.

Coral reefs are concentrated in the

a)

Western Pacific

b)

Eastern Pacific

c)

Caribbean

d)

Western Atlantic

e)

Eastern Atlantic

106.

Coral Reefs: Water averages 23.5 degrees Celsius

a)

True

b)

False

107.

Corals form symbiosis with algae called

(a)  

108.

What type of coral reef is close to the coast, often attached to the shore?

(a)  

109.

What type of coral reef is further offshore?

(a)  

110.

What type of coral reef is atop undersea mountains/volcanos??

(a)  

111.

'Comb jellies' - medusa shaped, tend to be small (few cm) (answer is a phylum)

(a)  

112.

How many row of cilia does Phylum Ctenophora

(a)  

113.

Comb jellies have nemotocyts

a)

True

b)

False

114.

These burst open, covering prey with sticky threads

(a)  

115.

Comb jellies have a complete digestive system

a)

True

b)

False

116.

Comb jellies display luminescence at night

a)

True

b)

False

117.

What Phylum do the flatworms belong to?

(a)  

118.

Phylum Platyhelminthes is

a)

Asymmetrical

b)

Spherically Symmetrical

c)

Radially Symmetrical

d)

Bilaterally Symmetrical

119.

Phylum Platyhelminthes is

a)

Acoelomates

b)

Psuedocoelomates

c)

Coelomates

120.

Phylum Platyhelminthes display's cephalization

a)

True

b)

False

121.

Phylum Platyhelminthes is triploblastic

a)

True

b)

False

122.

Dugesia species 'planeria'

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

123.

Freshwater carnivores

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

124.

Nearly all free-living

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

125.

Range from 5mm to 50cm in length

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

126.

Motile because ciliated epidermis and muscle bonds

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

127.

Pharynx

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

128.

Respiration done through diffusion

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

129.

Have an excretory system with flame cells

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

130.

Have a nervous system - 2 longitudinal nerve cords, nerves connect to eyespots and a simple brain(ganglia)

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

131.

Reproduction can be sexual or asexual

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

132.

Usually only has one host

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

133.

Known as parasitic 'flukes'

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

134.

External parasites of fish

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

135.

Commonly infect humans/other vertebrates as part of their lives

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

136.

typically have multiple hosts

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

137.

often have hooks/suckers to attach to the host

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

138.

Fasciola hepatica

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

139.

Sheep Liver Fluke

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

140.

lives in sheep's liver and gall bladder

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

141.

produces eggs which enter intestines and pass out in feces

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

142.

invade snail (secondary host), grow, leave snail and form cyst

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

143.

Protective covering on a blade of grass

(a)  

144.

Blood fluke

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

145.

Infects 200-300 million people per year

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

146.

causes liver damage, internal bleeding

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

147.

humans infected by drinking contaminated water or penetration of skin

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

148.

beef tapeworm

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

149.

pigs and cows acquire eggs on the grass they eat

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

150.

Inside the digestive system, eggs hatch; larvae bore into the muscle where they form a cyst

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

151.

humans acquire them by eating improperly cooked beef/pork

a)

Fasciola hepatica

b)

Shistosoma mansoni

c)

Taenia saginata

152.

Tapeworms

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

153.

Scolex and Proglottids

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

154.

May reach 20m in length, block intestines, and rob nutrients from humans

a)

Class Turbellaria

b)

Class Monogenea

c)

Class Trematoda

d)

Class Cestoda

155.

Head, contains hooks to grip hosts intestines

(a)  

156.

Body segments, contain sex organs; no digestive system

(a)  

157.

What Phylum do ribbon worms or probastic worms belong to?

(a)  

158.

900 species - mostly marine

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

e)

Phylum Nemertea

159.

1m - 30m

a)

Phylum Porifera

b)

Phylum Cnidaria

c)

Phylum Ctenophora

d)

Phylum Platyhelminthes

e)

Phylum Nemertea

160.

Phylum Nemertea is

a)

Acoelomates

b)

Psuedocoelomates

c)

Coelomates

161.

Phylum Nemertea has a similar body plan to planerians

a)

True

b)

False

162.

Phylum Nemertea has a complete digestive system

a)

True

b)

False

163.

Phylum Nemertea has a simple circulatory system with blood

a)

True

b)

False

164.

Phylum Nemertea have a proboscis on the anterior end that they can stick out to catch prey

a)

True

b)

False

165.

What Phylum do roundworms belong to?

(a)  

166.

Phylum Nematoda is

a)

Acoelomates

b)

Psuedocoelomates

c)

Coelomates

167.

Largest group of psuedocoelomates

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

168.

Wiggle for digestion because they have no muscles around organs

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

d)

Phylum Rotifera

169.

Covered by a tough cuticle that is shed periodically

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

d)

Phylum Rotifera

170.

Ascaris

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

d)

Phylum Rotifera

171.

Trichinella

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

d)

Phylum Rotifera

172.

Filariae

a)

Phylum Nemertea

b)

Phylum Nematoda

c)

Phylum Mollusca

d)

Phylum Rotifera

173.

Humans infected by contaminated food, water, or dirt

a)

Ascaris

b)

Trichinella

c)

Filariae

174.

Wander around the body; pneumonia, intestinal blockage, death, my climb out of various orifices

a)

Ascaris

b)

Trichinella

c)

Filariae

175.

Females can give off 200,000 eggs per day

a)

Ascaris

b)

Trichinella

c)

Filariae

176.

Estimated 64% of people in South East U.S have been infected

a)

Ascaris

b)

Trichinella

c)

Filariae

177.

Causes 'trichinosis', humans infected by eating under cooked pork

a)

Ascaris

b)

Trichinella

c)

Filariae

178.

females give birth to live young , which bore into muscle cells and take them over

a)

Ascaris

b)

Trichinella

c)

Filariae

179.

Spread by mosquito

a)

Ascaris

b)

Trichinella

c)

Filariae

180.

Invade human lymphatic system, causing swelling 'elephantiasis'

a)

Ascaris

b)

Trichinella

c)

Filariae

181.

cause heartworm in dogs

a)

Ascaris

b)

Trichinella

c)

Filariae

182.

Hookworms and pin worms are also common parasites

a)

Ascaris

b)

Trichinella

c)

Filariae

183.

Means 'wheel bearer' in Latin

(a)  

184.

1800 species, most small, live in freshwater

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

185.

Phylum Rotifera is

a)

Acoelomates

b)

Psuedocoelomates

c)

Coelomates

186.

Corona or 'crown' of cilia around head to draw in water into m

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

187.

Mastax

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

188.

Grinding organ inside mouth, grinds up microscopic food

(a)  

189.

Parthenogenesis

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

190.

Molluscs

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

191.

Second largest phylum (50,000+ species), mostly marine

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

192.

Snails, shells, slugs, and squids

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

193.

Soft body, most are protected by shell

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

194.

Used for movement

a)

Foot

b)

Visceral Mass

c)

Mantle

195.

Contains most of the internal organs

a)

Foot

b)

Visceral Mass

c)

Mantle

196.

Tissue, covers internal structures

a)

Foot

b)

Visceral Mass

c)

Mantle

197.

Phylum Mollusca: Houses respiratory structures

(a)  

198.

Tongue-like appendage used to grind up food, found in most molluscs

(a)  

199.

Molluscs have a complete digestive system

a)

True

b)

False

200.

Molluscs all reproduce sexually

a)

True

b)

False

201.

An example of an external reproduction in Phylum Mollusca is

(a)  

202.

An example of an internal reproduction in Phylum Mollusca is

(a)  

203.

First to develop coelom

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

204.

Class Polyplacophora

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

205.

Class Gastropoda

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

206.

Class Bivalvia

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

207.

Class Cephalopoda

a)

Phylum Mollusca

b)

Phylum Rotifera

c)

Phylum Nematoda

d)

Phylum Nemertea

208.

Chitons

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

209.

Shell divided into eight overlapping dorsal p

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

210.

Can curl up like armadillo if disturbed

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

211.

Use radula for feeding

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

212.

Mainly intertidal zone

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

213.

Biggest class of molluscs

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

214.

Snails, slugs, nudibranch, and conches

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

215.

Strong cephalization

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

216.

Shell used as home and retreat

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

217.

Torsion

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

218.

Process during development where organs rotate

(a)  

219.

Sinistral

a)

Left-handed

b)

Right-handed

220.

Dextral

a)

Left-handed

b)

Right-handed

221.

Right on top of them

a)

Planospiral shells

b)

Conispiral shells

222.

Historic

a)

Planospiral shells

b)

Conispiral shells

223.

Off to the side

a)

Planospiral shells

b)

Conispiral shells

224.

Newer

a)

Planospiral shells

b)

Conispiral shells

225.

Clams, mussels, scallops, oysters

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

226.

Shell divided in two halves, held together by adductor muscles

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

227.

Most filter feeders; water flows in incurrent siphon, over gills which trap food then out the excurrent siphon

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

228.

Most highly developed of all molluscs, built for speed and carnivorous diet

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

229.

Nautilus

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

230.

Cuttlefish and squid

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

231.

Architeuthis

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

232.

Octopus

a)

Class Cephalopoda

b)

Class Bivalvia

c)

Class Gastropoda

d)

Class Polyplacophora

233.

External shell and gas chambers

a)

Nautilus

b)

Cuttlefish

c)

Architeuthis

d)

Octopus

234.

Internal shell

a)

Nautilus

b)

Cuttlefish

c)

Architeuthis

d)

Octopus

235.

Giant squid

a)

Nautilus

b)

Cuttlefish

c)

Architeuthis

d)

Octopus

236.

No shell, closed circulatory system

a)

Nautilus

b)

Cuttlefish

c)

Architeuthis

d)

Octopus

237.

What is a?

(a)  

238.

What is b?

(a)  

239.

What is c?

(a)  

240.

What is d?

(a)  

241.

What is e?

(a)