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Bio 2 > Ch_34_Invertebrates_Part_2 > Flashcards

Ch_34_Invertebrates_Part_2 Flashcards

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Biology 101 flashcards
1
Q

classes of Phylum Mollusca

A

Bivalvia, Gastropoda, Cephalopoda

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2
Q

Bivalvia common animals

A

clams, scallops, oysters

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3
Q

Gastropoda common animals

A

snails, slugs

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4
Q

Cephalopoda common animals

A

octopus, squid

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5
Q

pod Greek meaning

A

foot

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6
Q

Gastro Greek meaning

A

stomach

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7
Q

Cephalo Greek meaning

A

head

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8
Q

Number of Mollusk species

A

more than 100,000

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9
Q

Molluska Greek meaning

A

soft body

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10
Q

What secretes shell on Mollusks

A

mantle

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11
Q

Mollusk shell is mostly made of

A

calcium carbonate

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12
Q

Three parts of mollusk body

A

foot, mantle, visceral mass

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13
Q

What are Radula used for

A

Mollusk grazing

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14
Q

What does Radula look like on snail

A

tongue

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15
Q

unique trait about many Mollusk blood

A

blue bood due to hemocyanin

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16
Q

What metal do Mollusks have in blood instead of hemoglobin

A

copper

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17
Q

Different forms of Mollusk larvae

A

Veliger and Trocopher

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18
Q

Mollusk larvae are _ swimming

A

free swimming

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19
Q

Valvia Greek term

A

shell

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20
Q

Bivalvia are in general _

A

shellfish

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21
Q

What part of Bivalvia secretes 2 shells

A

mantle

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22
Q

What muscles or Bivalvia keep 2 shells closed and hinged

A

abductor muscles

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23
Q

What do Bivalvia use muscular foot for and where is it located

A

burrowing, anterior

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24
Q

How do Bivalvia get oxygen

A

water with gills

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25
Q

Bivalvia are known as _ feeders

A

filter feeders

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26
Q

How do Bivalvia circulate water

A

siphons

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27
Q

Bivalvia food gathered with _

A

gill mucous

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28
Q

T/F Mussels are found in both freshwater and saltwater habitats

A

T

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29
Q

Mussel shells are more _ than other clams

A

elongated

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30
Q

Mussels do not have anterior foot, how do they attach to intertidal structure?

A

mantle secretes byssal threads

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31
Q

How much do invasive Zebra mussels cost US yearly

A

billions of dollars

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32
Q

Damage caused by Zebra mussels

A

attach to hard surfaces such as boat motors which damage equipment, and clog water intakes

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33
Q

This mussel specials covers native mussels

A

Zebra mussels

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34
Q

When did Zebra mussels come from and when

A

Europe 1980s

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35
Q

How were Zebra mussels brought over

A

foreign ships ballast water

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36
Q

Where are Giant Clams native to

A

South Pacific

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37
Q

How much do Giant Clams weigh

A

more than 200 lbs

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38
Q

How many feet across can a Giant Clam be

A

4 ft

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39
Q

Giant Clam average lifespan

A

100 years

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40
Q

Goeduck average length

A

7 inches

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41
Q

Goeduck number of siphons

A

1-3

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42
Q

How do Scallops swim

A

large abductor

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43
Q

Unlike stationary clams, scallops can _

A

move

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44
Q

Scallops possess basic _

A

eyes - including retina and lens

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45
Q

Outer layer for Bivalves

A

periostracum

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46
Q

What is Periostracum made out of

A

protein

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47
Q

Prismatic definition

A

thickest layer of Bivalve shell, occurs in middle, made of CaCO3

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48
Q

Nacreous layer

A

inner layer of Bivalve shell, makes pearl

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49
Q

Where are pearls formed in Bivalve?

A

inbetween the mantle and nacreous

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50
Q

Largest class of mollusks

A

Gastropoda

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51
Q

univalve definition

A

shell only has one side

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52
Q

snail shell characteristics

A

coiled and univalve

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53
Q

how do slugs defend themselves?

A

secrete poison

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54
Q

What do slugs use for plant grazing

A

radula

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55
Q

Gastropoda torsion

A

anus and mouth in same area because digestive tract torses around inside

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56
Q

Gastropoda torsion advantages

A

can pull head and anus up quickly simultaneously, gills up front

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57
Q

T/F Gastropods are hermaphroditic

A

T

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58
Q

What is the cloaca on Gastropods?

A

opening used for excretion and sex cells

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59
Q

most advanced invertebrates and largest

A

Cephalopods

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60
Q

Cephalopod examples

A

Nautilus, Squid, Octopus

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61
Q

Are squids or octupuses fast open ocean predators

A

squid

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62
Q

Squids or octopuses are benthic feeders

A

octopuses

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63
Q

Both squids and octopuses have _ and _ to obtain food

A

suckers, tentacles

64
Q

How do Cephalopods move

A

water jet propulsion

65
Q

What do Cephalopods use to secrete ink

A

ink gland

66
Q

What do Cephalopods use Chromatophores for

A

camouflage

67
Q

What is the internal shell of Cephalopods called

A

pen

68
Q

What is Cephalopod pen made of

A

dense protein

69
Q

Earths largest invertebrate

A

Giant Squid

70
Q

Annelid meaning in Latin

A

little rings

71
Q

Phylum Annelida common term

A

Segmented Worms

72
Q

What do Cephalopods bite with

A

biting beak and radula

73
Q

Annelid bodys are _ and _

A

segmented and coelomate

74
Q

What type of body support do Annelids have?

A

hydrostatic aka water

75
Q

Nephredia description

A

structures in each segment of Annelids used to filter waste

76
Q

2 muscle layers of Annelida

A

circular and long

77
Q

What assists Annelida in movement

A

seta

78
Q

T/F Annelida circulator system is primitive

A

F, it is well developed

79
Q

Number of Annelida hearts

A

5

80
Q

Where are Annelida hearts located

A

around esophagus

81
Q

What are Annelida hearts also known as

A

aortic arches

82
Q

Annelids have hemoglobin or hemocyanin in blood for oxygen transport?

A

hemoglobin

83
Q

Classes of Annelids

A

Polycheata, Oligochaeta, Hirudinea

84
Q

Polychaeta common term

A

Marine Worms

85
Q

Oligochaeta common term

A

Earth Worms

86
Q

Hirudinea common term

A

Leeches

87
Q

Clam Worms belong to this class

A

Polychaeta

88
Q

Clam Worms use _ for respiration and movement

A

parapodia, or bundles of seta

89
Q

Clam Worms are predatory and have _ jaws

A

biting

90
Q

Featherduster Worms class

A

Polychaeta

91
Q

Featherduster Worms are land or marine

A

marine

92
Q

Featherduster Worms are what type of feeder

A

suspension feeder

93
Q

What are around Featherduster worms mouth?

A

feather-like radioles, which are ciliated and mucuous coated

94
Q

Where do Featheduster Worms live in

A

tube burrows

95
Q

Earthworms class

A

Oligochaete

96
Q

Why do Earthworms live in soil

A

need moisture for respiration

97
Q

What structure is used for Earthworm locomotion

A

setae

98
Q

T/F Earthworms have a developed digestive system

A

T

99
Q

Earthworms digestive system structures

A

Pharynik, esophagus, crop, gizzard, intestine

100
Q

typhlosole

A

folds or Earthworm intestine

101
Q

Earthworms have different genders or are hermaphroditic

A

hermaphroditic

102
Q

earthworms have what male structures

A

sperm ducts, testes, seminal vesicles

103
Q

female earthworms have what female structures

A

seminal receptacles, oviducts, ovaries

104
Q

Earthworm Clitellum use

A

mucous secretion for sperm and egg protection

105
Q

Leeches belong to this class

A

Hirudnea

106
Q

Where do leeches live

A

moist and warm habitats

107
Q

How do leeches move without setae

A

2 suckers

108
Q

Leeches have this tongue-like structure found on Snails and slugs

A

radula

109
Q

What is special about leech salivary glands?

A

anesthetic and anticoagulant

110
Q

What are used for limb reattachments

A

leeches

111
Q

Arthro Greek meaning

A

jointed

112
Q

Phlyum Arthropoda common term

A

Joint-Legged Animals

113
Q

Most successful animal group by almost any outlook

A

Anthropods

114
Q

What is the Anthoropod exoskeleton made out of

A

chitin

115
Q

Arthropod segmentation is similar to Annelids and indicates a(n) _

A

Annelid ancestor

116
Q

Arthropod metamorphosis stages

A

eggs -> larva -> pupa -> adult

117
Q

The caterpillar is what Anthropod metamorphosis stage

A

larva

118
Q

The pupa is an Arthropod transition between larva and _

A

adult

119
Q

What is the advatage of Arthropod metamorphosis

A

different stages do not have food competition

120
Q

Which stage of Arthropods is the reproductive stage

A

adult

121
Q

Arthropoda sub-phyla

A

Chelicerata, Crustaceae, Uniramia

122
Q

Subphylum Chelicerata common term

A

jawless Arthropods

123
Q

Subphylum Crustaceaea common term

A

sea insects

124
Q

Subphylum Uniramia common term

A

land insects

125
Q

Chelicerata examplse

A

mites, spiders, ticks, scorpions

126
Q

Instead of jaw, Chelicerata have

A

fangs, sucking mouth, chelicera

127
Q

Without chewing mouth, how do CHelicerata eat?

A

emit poision which has neourotoxin and uses digestive enzymes

128
Q

What does Chelicerata Cephalothorax contain

A

8 legs and obdomen

129
Q

Chelicerata see with _

A

multiple eyes

130
Q

Chelicerata eyes are simple or advanced

A

simple

131
Q

Why do Chelicerata create webs

A

catch prey

132
Q

Chelicerata do not have antennae, they sense with

A

specialized hair sensors

133
Q

Brown Recluse subphylum

A

Chelicerata

134
Q

Brown Recluse venom is a type of what enzyme

A

strong digestive

135
Q

Where is the Brown Recluse fiddle located

A

cephalothorax

136
Q

Where are Brown Recluse found in human areas

A

dark areas such as garages, old clothing, cardboard boxes

137
Q

Ticks belong to which subphylum

A

Chelicerata

138
Q

Ticks are vectors for these 2 diseases

A

Rocky Mt. Spotted Fever, Lyme Disease

139
Q

Scorpion subphylum

A

Chelicerata

140
Q

Scorpions sting is _

A

poisonous

141
Q

How are Scorpions a transition organism

A

link between land and marine organisms

142
Q

This species is believed to be the first land Arthropod

A

scorpion

143
Q

Mites subphylum

A

Chelicerates

144
Q

Mites are macroscopic or microscopic

A

microscopic

145
Q

Mites body structure

A

abdomen and 8 legs with cephalothorax

146
Q

Chiggers and Dustmites are members of _

A

Chelicerata

147
Q

What does a Chigger use the chelicerae for

A

make hole in hosts skin

148
Q

What does Chigger inject into wound from chelicerae

A

saliva and enzymes, break down cells

149
Q

Stylostome description

A

hard straw-like tube in tissue caused by Chigger salivary secretions

150
Q

A long stylostome indicates the chigger fed for a long or short period of time

A

long

151
Q

Why are chigger bites itchy?

A

allergic reactions to saliva

152
Q

Horseshoe Crab subphylum

A

Chelicerata

153
Q

Limulus common term

A

Horseshoe crab

154
Q

T/F Horseshoe crab have a chewing jaw

A

F

155
Q

T/F One male Horseshoe mates with one female Horseshoe crab

A

F multiple males mate with female at shoreline

156
Q

When and where do Horseshoe crabs mate?

A

full moon in spring, along-shore at high-tide

157
Q

Horseshoe crab blood is used to enrich _, which assists with _

A

agar, pathogen growth

Bio 2 (17 decks)

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