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Invertaret Zoology > Module 2 > Flashcards

Module 2 Flashcards

(48 cards)

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1
Q

Phylum Arthropoda subphylum and classes

A

Subphylum Chelicerata
Class arachnida, merostomata, pycnogonja

Subphylum mandibulata
Crustacea, hexapoda, Myriapoda

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2
Q

Defining features of Arthropoda

A

Bilateral symmetry, eucoelomates, jointed appendages, exoskeleton, Ecdysis, segmentation, comput eyes

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3
Q

Subphylum Chelicerata

A

No antennae, chelicerae, 2 regions of the body prosoma and opisthosoma

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4
Q

3 kinds of chelicerae

A

Jack knife, scissor, 3 segmented

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5
Q

Subphylum Chelicerata

Class arachnida

A

Terrestrial, prosomma ( one pair of chelicerae one pair ofmpedipalps, 4 pairs of legs) ,

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6
Q

Class arachnida opisthosoma

A

No appendages or up to 4 pairs of spineless, pedicel connects the 2 regions

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7
Q

Arachnida feeding

A

Mostly carnivorous, rely on fluid feeding, extracellular digestion

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8
Q

Arachnida respiration

A

Book lungs

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9
Q

Arachnida circulation

A

Open circulatory system, fluid circulating throughout the body

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10
Q

Arachnida reproduction

A

Gonochroistic, direct development, internal fertilization

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11
Q

Subphylum Chelicerata

Class merostomata

A

Entirely marine, benthic, horse shoe crabs, copper rich blood

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12
Q

Merostomata prosoma

A

One pair of chelicerae, one pair of pedipalps, 4 pairs of walking legs, 1 pair of small hairy chilaria

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13
Q

Merostomata opisthosoma

A

One pair of reproductive appendages, 5 pairs of book gills

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14
Q

Merostomata circulation

A

Open circulatory system with a long tubular heart

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15
Q

Merostomata eyes

A

Have eyes, pair of compound eyes, ocelots ( simple eyes)

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16
Q

Merostomata reproduction

A

Gonochroistic, oviporous, external fertilization, indirect development

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17
Q

Phylum Chelicerata.

Class pycnogonida

A

Sea spiders, entirely marine, benthic

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18
Q

Pycnogonia prosoma

A

One pair of chelicerae, one pair of sensory pedipalps, variable number of walking legs

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19
Q

Pycnogonida opisthosoma

A

Greatly reduced

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20
Q

Pycnogonida circulatory system, respiratory systems, eyes

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A

No respiratory tissues, no circulatory, usually no eyes

21
Q

Pycnogonida feeding

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A

Digestive system in legs, carnivores, fluid feeding, do intracellular digestion

22
Q

Pycnogonida reproduction

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A

Gonochoristic, oviporous, external fertilization, indirect development

23
Q

Subphylum Mandibulata

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A

Antennae, 3 regions ( head, thorax, abdomen) , mandibles, uniramous or biramous

24
Q

Subphylum mandibulata

Superclass Myriapoda

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A

Centipedes and millipedes, mostly terrestrial, head, multisegmented trunk

25
Myriapoda head region
One pair of antennas, one pair of mandibles, two pairs of maxillae
26
Myriapoda trunk region
Centipede ( elongated one pair of long legs per segment) | Millipede ( 2 pairs of short legs per segment)
27
Myriapoda feeding
Centipede ( carnivore, with bulk feeding) | Millipede ( detrivore with substrate feeding)
28
Myriapoda circulatory system, respiratory, eyes, reproduction
Open circulatory system, branches of trachea, ocelli for eyes, reproduction is ( oviporous, internal, direct development)
29
Subphylum mandibulata Super class Crustacea
Crabs shrimp lobsters barnacles, terrestrial, freshwater and saltwater
30
Crustacea head region
2 pairs of antennae, 1 pair of mandibles, 1 pair of maxillae
31
Crustacea thorax/ abdomen
Variable number of appendages, depends of species, decapods ( chelipeds)
32
Crustacea feeding, circulation, respiration, eyes, reproduction
Bulk feeding omnivores, open circulatory system, has gills, stalked or compound eyes, gonochoristic oviparous external fertilization with indirect development ( nauplius larva)
33
Subphylum mandibulata Superclass hexPoda
Insects and 3 other classes of 6 legged inverts
34
Hexapoda head region
1 pair of antennae, mandibles, 1st maxillae, 2nd maxillae
35
Hexapoda thorax
2 pairs of wings, 3 pairs of walking legs, appendages are uniramous
36
Hexapoda feeding, circulation, respiration, reproduction
Omnivores with bulk feeding or fluid and extra cellular digestion, open circulatory system, trachea for respiration gonochoristic oviporous with internal fertilization and indirect development
37
Super class Hexapoda 3 other classes
Protura ( cone heads, small terrestrial, no eyes or antennae) Collembola ( spring tails, small terrestrial, long tail appendage) Diplura ( 2 pronged tails, small terrestrial, can regenerate lost appendages
38
Phylum Onychophora
Velvet worms, triploblasts, segmented, small, thin cuticle, tropical, gonochoristic, has mandibles and cuticle, slime glands, 20 pair of short unjointed legs and retractable claws
39
Phylum Tardigracla
Water bears, segmented, small, thin non waxy cuticle, aquatic, segmented, cuticle, 4 pairs of loo pods with claws, protruding parts around mouth, crypto biosis is can go dormant
40
Phylum Nematoda
Live everywhere, parasitic, triploblastic, pseudocoelmates, bilateral symmetry, , usually small, strong flexible cuticle, most diversity at anterior en d
41
Phylum Nematoda | Class Chroomadoria
Caenorhabitis elegns, model system, terrestrial and aquatic, intestinal round worm
42
Phylum NemToda | Class Dorlayima
Myrmeconema neotrpicum, infects, aquatic and terrestrial
43
Phylum Nematoda | Class enoplia
Trichodaris spp, root knot nematodes, infects plants, whipworm, free living species, terrestrial And aquatic
44
Nematoda feeding
Some species have teeth, diverse feeding habits, standard digestive system
45
Nematod Respiration and circulation
Diffusion, small prose in cuticle also
46
Nematoda Support
Hydrostatic skeleton, rely on pseudocoelomates
47
Nematoda movement
Undulation, whipmlike motion, striated muscle
48
Nematoda reproduction
Gonochoristic oviporous internal fertilization indirect development, larva lives In different niche than adult

Invertaret Zoology (3 decks)

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