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Invertaret Zoology > Module 2 > Flashcards

Module 2 Flashcards

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

A

No respiratory tissues, no circulatory, usually no eyes

21
Q

Pycnogonida feeding

A

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

22
Q

Pycnogonida reproduction

A

Gonochoristic, oviporous, external fertilization, indirect development

23
Q

Subphylum Mandibulata

A

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

24
Q

Subphylum mandibulata

Superclass Myriapoda

A

Centipedes and millipedes, mostly terrestrial, head, multisegmented trunk

25
Q

Myriapoda head region

A

One pair of antennas, one pair of mandibles, two pairs of maxillae

26
Q

Myriapoda trunk region

A

Centipede ( elongated one pair of long legs per segment)

Millipede ( 2 pairs of short legs per segment)

27
Q

Myriapoda feeding

A

Centipede ( carnivore, with bulk feeding)

Millipede ( detrivore with substrate feeding)

28
Q

Myriapoda circulatory system, respiratory, eyes, reproduction

A

Open circulatory system, branches of trachea, ocelli for eyes, reproduction is ( oviporous, internal, direct development)

29
Q

Subphylum mandibulata

Super class Crustacea

A

Crabs shrimp lobsters barnacles, terrestrial, freshwater and saltwater

30
Q

Crustacea head region

A

2 pairs of antennae, 1 pair of mandibles, 1 pair of maxillae

31
Q

Crustacea thorax/ abdomen

A

Variable number of appendages, depends of species, decapods ( chelipeds)

32
Q

Crustacea feeding, circulation, respiration, eyes, reproduction

A

Bulk feeding omnivores, open circulatory system, has gills, stalked or compound eyes, gonochoristic oviparous external fertilization with indirect development ( nauplius larva)

33
Q

Subphylum mandibulata

Superclass hexPoda

A

Insects and 3 other classes of 6 legged inverts

34
Q

Hexapoda head region

A

1 pair of antennae, mandibles, 1st maxillae, 2nd maxillae

35
Q

Hexapoda thorax

A

2 pairs of wings, 3 pairs of walking legs, appendages are uniramous

36
Q

Hexapoda feeding, circulation, respiration, reproduction

A

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
Q

Super class Hexapoda 3 other classes

A

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
Q

Phylum Onychophora

A

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
Q

Phylum Tardigracla

A

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
Q

Phylum Nematoda

A

Live everywhere, parasitic, triploblastic, pseudocoelmates, bilateral symmetry, , usually small, strong flexible cuticle, most diversity at anterior en d

41
Q

Phylum Nematoda

Class Chroomadoria

A

Caenorhabitis elegns, model system, terrestrial and aquatic, intestinal round worm

42
Q

Phylum NemToda

Class Dorlayima

A

Myrmeconema neotrpicum, infects, aquatic and terrestrial

43
Q

Phylum Nematoda

Class enoplia

A

Trichodaris spp, root knot nematodes, infects plants, whipworm, free living species, terrestrial And aquatic

44
Q

Nematoda feeding

A

Some species have teeth, diverse feeding habits, standard digestive system

45
Q

Nematod Respiration and circulation

A

Diffusion, small prose in cuticle also

46
Q

Nematoda Support

A

Hydrostatic skeleton, rely on pseudocoelomates

47
Q

Nematoda movement

A

Undulation, whipmlike motion, striated muscle

48
Q

Nematoda reproduction

A

Gonochoristic oviporous internal fertilization indirect development, larva lives In different niche than adult

Invertaret Zoology (3 decks)

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