Lab 9 - Invertebrates (2) Flashcards

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1
Q

two other lineages in Bilateria

A

Ecdysozoa
Deuterostomia

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2
Q

the commonality of ALL members in clade Ecdysozoa

A

all display ecdysis (moulting of outermost layer)

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3
Q

phyla in clade Ecdysozoa

A

Phylum Nematoda
Phylum Athropoda

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4
Q

3 lineages in Phylum Arthropoda

A

Myriapods
Pancrustaceans
Chelicerates

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5
Q

3 distinguishing features of Deuterostomes

A
  1. radial, indeterminate cleavage
  2. coelom forms from buds of the mesoderm
  3. blastophore forms anus
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6
Q

two phyla in Deutersotomia

A
  1. Phylum Chordata
  2. Phylum Echinodermata
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7
Q

Phyla Echinodermata includes

A
  1. sea stars
  2. urchins
  3. sand dollars
  4. sea cucumbers
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8
Q

phyla Chordata includes

A
  1. Cephalochordate - lancelets
    Urochordata - Tunicates
    Vertebrata - Vertebrates
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9
Q

4 characteristics of Phyla Chordata

A
  1. notochord
  2. post-anal tail
  3. dorsal hollow nerve cord
  4. pharyngeal gill slits
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10
Q

Ecdysozoan development

A

protostome invertebrates

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11
Q

Phylum Nematoda are

A

round worms

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12
Q

Nematode belong to which major lineage

A

Ecydosozoa

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13
Q

way of life for Nematodes

A

either free-living or parasitic

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14
Q

type of coelom in Nematodes

A

pseudocelomate

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15
Q

are Nematodes segmented or unsegmented

A

unsegmented

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16
Q

what covers a Nematode

A

cuticle

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17
Q

example of a parasitic Nematode

A

Ascaris

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18
Q

where does the Nematode Ascaris live

A

in the intestines of the host

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19
Q

male vs female Ascaris Nematodes

A

male is smaller than the female and has hooked posterior end

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20
Q

least to most inclusive

A

Ascaris: Nematodes: Ecdysozoa: Bilateria: Eumetazoa: Metazoa

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21
Q

type of symmetry in Phylum Arthropoda

A

bilateral

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22
Q

are members in Phyla Arthropoda segmented or unsegmented

A

segmented

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23
Q

type of coelom in Arthropoda

A

eucoelomate

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24
Q

type of development in Arthropoda

A

protostome

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25
Q

what major lineage do Arthropoda belong to

A

Ecdysozoan

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26
Q

what do members of Arthropoda have

A

chitinous exoskeleton

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27
Q

type of circulatory system in Arthropoda

A

open

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28
Q

describe the digestive tract of Arthropoda

A

complete digestive tract (with anus)

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29
Q

do Arthropoda have a brain

A

YES

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30
Q

three regions of the Arthropoda body

A
  1. head
  2. thorax
  3. abdomen
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31
Q

most diverse and numerous of all animal phyla

A

Arthropoda

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32
Q

three major lineages in Arthropoda

A
  1. Chelicerates
  2. Pancrustaceans
  3. Myriapods
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33
Q

leas to most inclusive

A

Arthropoda: Ecdysozoa: Bilateria: Eumetazoa: Metazoa

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34
Q

least to most inclusive (spiders)

A

Chelicerates: Arthropoda: Ecydsozoa: Bilateria: Eumetazoa: Metazoa

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35
Q

parts of the Chelicerates body/appendages

A
  1. four pairs of legs
  2. two pairs of head appendages
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36
Q

what are the two different head appendages in Chelicerates

A
  1. chelicerae
  2. pedipalps
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37
Q

function of Chelicerae in Chelicerates

A

pincerlike head appendages used for feeding

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38
Q

function of pedipalps in Chelicerates

A

mainly sensory but can be used for feeding, locomotion or reproduction

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39
Q

members of Chelicerates

A
  1. spiders
  2. tick
  3. mites
  4. scorpions
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40
Q

characteristics of spiders in Chelicerates

A

cephalothorax and legless abdomen

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41
Q

characters of mites AND ticks in Chelicerates

A

abdomen fused to leg-bearing region

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42
Q

characters of scorpions in Chelicerates

A

elongated abdomen bearing poisonous sting

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43
Q

describe the crustacean group based on recent molecular evidence

A

paraphyletic

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44
Q

why was the crustacean group seen as paraphyletic

A

some crustaceans were more closely related to insects than other crustaceans

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45
Q

when do crustaceans form a monophyletic group

A

when together with insects

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46
Q

what is the NEW group that comprises BOTH insects and crustaceans

A

pancrustaceans

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47
Q

what defines crustaceans from other arthropods

A

they have
1. mandibles (mouthparts used to crush and grind food)
2. two pairs of antennae
3. thoracic and abdominal appendages

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48
Q

where do crustaceans live

A

marine and freshwater

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49
Q

least to most inclusive

A

Crustaceans: Pancrustaceans: Phyla Arthropoda: Ecdysozoan: Bilateria: Eumetazoa: Metazoa

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50
Q

four orders found in the Crustaceans of pancrustaceans

A
  1. order Isopoda (pill bugs)
  2. order Decapoda (crayfish)
  3. Class Maxillopoda (barnacles)
  4. Class Branchiopoda (water fleas)
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51
Q

what order is this in Crustaceans of pancrustaceans
terrestrial crustaceans

A

Isopoda (pill bugs)

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52
Q

what order is this in Crustaceans of pancrustaceans
have seven pairs of legs all of similar shape and size

A

Isopoda (pill bugs_

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53
Q

what order is this in Crustaceans of pancrustaceans
have well-developed carapace that covers the dorsal side of the cephalothorax

A

Decapoda (Crayfish)

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54
Q

what order is this in Crustaceans of pancrustaceans
marine suspension feeders

A

Maxillopoda (branacles)

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55
Q

what order is this in Crustaceans of pancrustaceans
their feet are modified as feeding structures

A

Maxillopoda (barnacles)

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56
Q

what order is this in Crustaceans of pancrustaceans
small group of planktonic organisms

A

Branchiopoda (water fleas)

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57
Q

what order is this in Crustaceans of pancrustaceans
indicators of aqueous toxins

A

Branhicopoda (water fleas)

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58
Q

what order is this in Crustaceans of pancrustaceans
organisms poss gills on their appendages

A

Branchiopoda (water fleas)

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59
Q

Least to most inclusive

A

Isopoda: Crustacean: Pancrustaceans: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

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60
Q

least to most inclusive

A

Decapoda: Crustacean: Pancrustaceans: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

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61
Q

least to most inclusive

A

Maxillopoda: Crustacean: Pancrustaceans: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

62
Q

least to most inclusive

A

Branchiopoda: Crustacean: Pancrustaceans: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

63
Q

Class Hexapoda are the

A

insects

64
Q

what phyla does class Hexapoda belong to

A

Pancrustaceans

65
Q

traits that all members of Hexapoda share

A
  1. three pairs of legs
  2. 0, 1 or 2 pairs of wings
  3. one pair of antennae
66
Q

5 orders found in Hexapoda in Pancrustaceans

A
  1. Hemiptera
  2. Coleoptera
  3. Diptera
  4. Hymenoptera
  5. Lepidoptera
67
Q

what order is this from Hexapoda in Pancrustaceans
beetles

A

Coleptera

68
Q

what order is this from Hexapoda in Pancrustaceans
True bugs, cicadas, leaf hoppers, aphids…

A

Hemiptera

69
Q

what order is this from Hexapoda in Pancrustaceans
flies

A

diptera

70
Q

what order is this from Hexapoda in Pancrustaceans
wasps, bees and ants

A

Hymenoptera

71
Q

what order is this from Hexapoda in Pancrustaceans
butterflies and moths

A

Lepidoptera

72
Q

what order is this from Hexapoda in Pancrustaceans
first pair of wings is ONLY partially hardened or leathery

A

Hemiptera

73
Q

what order is this from Hexapoda in Pancrustaceans
have sucking mouthparts

A

Hemiptera

74
Q

what order is this from Hexapoda in Pancrustaceans
have four wings but first is hardened into protective covering

A

Coleoptera

75
Q

what order is this from Hexapoda in Pancrustaceans
have four, well-veined, membranous wings

A

Hymenoptera

76
Q

what order is this from Hexapoda in Pancrustaceans
show construction (waist) between the thorax and abdomen

A

Hymenoptera

77
Q

what order is this from Hexapoda in Pancrustaceans
many are well know for their stinging abilities

A

Hymenoptera

78
Q

what order is this from Hexapoda in Pancrustaceans
all insects with ONLY TWO membranous wings

A

Diptera

79
Q

what order is this from Hexapoda in Pancrustaceans
posse four large wings covered with scales

A

Lepidoptera

80
Q

what order is this from Hexapoda in Pancrustaceans
larvae known as caterpillars

A

Lepidoptera

81
Q

least to most inclusive

A

Hemiptera: Hexapoda: Pancrustaceans: Arthropoda: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

82
Q

least to most inclusive

A

Coleoptera: Hexapoda: Pancrustaceans: Arthropoda: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

83
Q

Least to most inclusive

A

Diptera: Hexapoda: Pancrustaceans: Arthropoda: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

84
Q

least to most inclusive

A

Hymenoptera: Hexapoda: Pancrustaceans: Arthropoda: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

85
Q

least to most inclusive

A

Lepidoptera: Hexapoda: Pancrustaceans: Arthropoda: Ecdysozoans: Bilateria: Eumetazoa: Metazoa

86
Q

Myriapods belong to Phyla

A

Arthropoda

87
Q

what is included in Myriapods

A

Centipedes and millipedes

88
Q

what defines Myriapods from other arthropods

A

they are mandibulate arthropods with unbranched (uniramous) appendages

89
Q

habitat of Myriapods

A

terrestrial

90
Q

feeding of centipedes vs millipedes

A

millipedes - herbivrous
centipedes - carnivores

91
Q

least to most inclusive

A

centipede: Myriapods: Arthropoda: Ecdysozoa: Bilateria: Eumetazoa: Metazoa

92
Q

least to most inclusive

A

millipede: Myriapods: Arthropoda: Ecdysozoa: Bilateria: Eumetazoa: Metazoa

93
Q

what is the only clade within Bilateria that DOES NOT show protostome development

A

Deuterostomes

94
Q

Phylum Echinodermata belongs to the

A

Deuterostomia

95
Q

Phylum Echinodermata shows ____ symmetry

A

radial

96
Q

habitat of Phylum Echinodermata

A

marine

97
Q

distinguishing feature of Phylum Echinodermata

A

water vascular system

98
Q

what group of organisms does this describe in Phylum Echinodermata
flattened Echinoderms

A

sea stars and starfish

99
Q

what group of organisms does this describe in Phylum Echinodermata
arms have open ambulacral groves

A

sea stars and starfish

100
Q

what group of organisms does this describe in Phylum Echinodermata
armless echinoderms

A

sand dollars and urchins

101
Q

what endoskeleton does this describe in phylum Echinodermata
globose with enlarged spines

A

sea urchins

102
Q

what endoskeleton does this describe in phylum Echinodermata
flattened with numerous short spines

A

sand dollars

103
Q

what endoskeleton does this describe in phylum Echinodermata
slightly inflated with numerous short spines

A

heart or biscuit urchins

104
Q

what group of organisms does this describe in Phylum Echinodermata
graze feeders or suspended microscopic animals

A

sand dollars and urchins

105
Q

what group of organisms does this describe in Phylum Echinodermata
soft bodied cucumber shape

A

sea cucumbers

106
Q

what group of organisms does this describe in Phylum Echinodermata
polar axis has been elongated

A

sea cucumbers

107
Q

what group of organisms does this describe in Phylum Echinodermata
lack spines

A

sea cucumbers

108
Q

what group of organisms does this describe in Phylum Echinodermata
suspension feeders

A

sea cucumbers

109
Q

least to most inclusive

A

sea cucumber: Phylum Echinodermata: Deuterostomia: Bilateria: Eumetazoa: Metazoa

110
Q

least to most inclusive

A

sand dollar: Phylum Echinodermata: Deuterostomia: Bilateria: Eumetazoa: Metazoa

111
Q

least to most inclusive

A

sea urchin: Phylum Echinodermata: Deuterostomia: Bilateria: Eumetazoa: Metazoa

112
Q

least to most inclusive

A

starfish: Phylum Echinodermata: Deuterostomia: Bilateria: Eumetazoa: Metazoa

113
Q

two invertebrate groups of Phylum Chordata

A
  1. Cephalochordata
  2. Urochordata
114
Q

one vertebrate group of phylum Chordata

A

Vertebrates

115
Q

Cephalochordata are the

A

lancelets

116
Q

Cephalochordata have ____ surrounding the mouth

A

oral tentacles

117
Q

Cephalochordata lack

A

any vertebral or cranial skeleton

118
Q

primitive chordate that shows the four diagnostic features

A

Amphioxus

119
Q

least to most inclusive

A

Amphioxus: Cephalochordata: Phylum Chordata: Deutersotomia: Bilateria: Eumetazoa: Metazoa

120
Q

least to most inclusive

A

tunicates/sea squirts: Urochordata: Phylum Chordata: Deuterostomia: Bilateria: Eumetazoa: Metazoa

121
Q

the mouth of the Cephalochordata opens into

A

pharynx

122
Q

what encloses the pharynx in the Cephalochordata

A

gill bars

123
Q

what is the opening between the gill bars called in the Cephalochordata

A

pharyngeal gill slits

124
Q

function of pharyngeal gill slits in Cephalochordata

A

gas exchange and filter feeding

125
Q

where is the notochord located in reference to the pharynx in Cephalochordata

A

dorsal to the pharynx

126
Q

what is immediately dorsal to the notochord in Cephalochordata

A

dorsal nerve cord

127
Q

Urochordata habitat

A

marine

128
Q

adult Urochordata have

A

LOST most of the chordate characters

129
Q

adult Urochordata are ____ feeders

A

sessile filter feeders

130
Q

A

A

Chelicera

131
Q

B

A

Chelicerates

132
Q

C

A

Legs

133
Q

A

A

notochord

134
Q

B

A

a dorsal hollow nerve cord

135
Q

C

A

post-anal tail

136
Q

D

A

Pharyngeal slits

137
Q

A

A

incurrent siphon

138
Q

B

A

excurrent siphon

139
Q

C

A

Pharyngeal with gill slits

140
Q

D

A

pharynx with gill slits

141
Q

E

A

a dorsal hollow nerve cord

142
Q

6

A

notochord

143
Q

1

A

metazoa

144
Q

2

A

no true tissue

145
Q

3

A

Eumetazoa (true tissue)

146
Q

4

A

radial symmetry

147
Q

5

A

bilateral symmetry

148
Q

6

A

deuterostomes

149
Q

7

A

protostomes

150
Q

8

A

Ecdysozoans

151
Q

9

A

Lophotrocozoan