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Taxonomy > Taxonomy Lec Midterms > Flashcards

Taxonomy Lec Midterms Flashcards

1
Q

Phylum Porifera Characteristics:

A

Shape- irregular, vaselike, flat/globular
Symmetry: asymmetrical, symmetrical. (Radial)
Has a single Cavity (spongocoel/paragaster)
Oscula- large opening
Ostia-small opening
Aquatic sessile
Asexual through buds/gemmules
Sexual through eggs and sperm
Canal:ASL (ASCON SYCON LEUCON)

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2
Q

Ascon

A

(IOSOO)
Ingressing water
Ostia
Spongocoel
Osculum
Outside

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3
Q

Sycon

A

(IDIPRASOO)
INGRESSING WATER
DERMAL OSTIA
INCURRENT CANAL
PROSOPYLE
RADIAL CANAL
APOPYLE
SPONGOCOEL
OSCULUM
OUTSIDE

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4
Q

Leucon

A

(IIFAEOO)
INGRESSING WATER
INCURRENT CANAL
FLAGELLATED CHAMBER
APOPYLE
EXCURRENT CANAL
OSCULUM
OUTSIDE

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5
Q

Calcarean

A

Calcareous spicules and ASL

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6
Q

Hyalospongia

A

Siliceous spicules, LS

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7
Q

Demospongiae

A

Siliceous spicules and Leucon

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8
Q

Sclerospongiae

A

Silicaceous spicules and spongin fibers and Leucon

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9
Q

Phylum Cnidaria Characteristics

A

Radially symmetrical
Either sessile cylindrical or polyp
Free floating bell-like medusa
Stinging cell (nematocyst)
Digestive cavity sac-like
Asexual in polyps
Sexual in medusa
Dioecious
Monoecious

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10
Q

Individuals in the form of polyps or medusa with medusa;non-cellular mesoglea

A

Hydrozoa

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11
Q

Subclass Leptolinae

A

(ALS)
Order Anthomedusae
Order Leptomedusae
Order Siphonophorae

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12
Q

Subclass Trachylinae

A

(ALTN)
Order Actinulidae
Order Limnomedusae
Order Narcomedusae
Order Trachymedusae

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13
Q

True jellyfish;free floating

A

Scyphozoa

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14
Q

Sea Anemones and corals; all attached to polyps ( no medusa )

A

Anthozoa

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15
Q

Flat oral disc around mouth with hollow tentacles whic leads lead into pharynx

A

Stomadeum

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16
Q

Special messenchyme amoebocytes that secretes spicules

A

Scleroblast

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17
Q

All of spicules consists of these w/c is deposited either calcite or silica

A

Core of organic material

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18
Q

Containing calcium carbonate/calcite

A

Calcareous spicules

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19
Q

Containing silica or silicate

A

siliceous spicules

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20
Q

Is an organic, horny elastic substance resembling silk in chemical composition

A

Spongin

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21
Q

The excurrent canal

A

Osculum

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22
Q

The incurrent canal

A

Ostium

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23
Q

Large central cavity

A

Paragaster

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24
Q

Ingest food or act as the storage cell

A

Amoebocytes

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25
Q

Lines the canal

A

Choanocytes

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26
Q

Opening leading to flagellated chamber

A

Prosopyle

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27
Q

Opening leading to spongocoel

A

Apopyle

28
Q

Either free-living or parasitic forms; the free-living forms are fresh or marine waters ior in soil
Has elongated cylindrical body usually tapered at both ends
Digestive tube is generally straight
External is covered with cuticle

A

Nematodes

29
Q

BY means of one or two renette glads locatted near pharynx

A

Osmoregulatory mechanism

30
Q

Consists of a circumetric nerve ring with dorsal, lateral and ventral ganglia

A

Ganglionic nervous system

31
Q

Sense organs for chemoreceptions

A

Plasmid

32
Q

Causal chemoreceptors occuring in certain nematodes

A

Nematodes with plasmids

33
Q

Class Phasmida example

A

Ascaris

34
Q

Genus of parasitic nematode worms

A

Ascaris

35
Q

Ascaris lumbricoides

A

Largest intestinal round worms
200000 eggs a day

36
Q

Ascaris lumbricoides infection is aka

A

Ascariasis

37
Q

Aka as thread-human pinworm

A

Enterobius vermicularis

38
Q

Adult pinworm male is

A

1-4 mm

39
Q

Adult female pinworm is

A

8-13 mm

40
Q

Is a parasitic nematode worm that lives in the small instestine of its hst

A

Necator

41
Q

Without phasmids

A

Aphasmida or Adenophorea

42
Q

Distinguishe Characteristics of Annelida

A

Homogenous segmentation
Coelom
Complete digestive tube
Excretion by means of metanephridia

43
Q

A pair of segment

A

Metanephridia

44
Q

Consisting of an anterior ganglionic mass and a single paired segment

A

Ganglionic nervous system

45
Q

Sense of organs may be in the form of tactile appen

A

tactile appendages, eyes and lithocyst

46
Q

Typical form in the

A

Trochopore larva

47
Q

Organism bear both male and female reproductive organ in the same individual

A

Monoecious

48
Q

Organism bears EITHER male or female

A

Dioecious

49
Q

With distinct segmentation

A

Polychaeta

50
Q

Clamworm

A

Nereis virens

51
Q

most marine; small size; segmentation chiefly internal

A

Arachiannelida

52
Q

distinct segmentation but with in distinct head

A

Oligochaeta

53
Q

Earthworm

A

Lumbricus terrestris

54
Q

Most specialized annelid with small and fixed number of segments

A

Hirudinea

55
Q

Mecicinal leech

A

Hirudo medicinalis

56
Q

Dorso-ventrally flattened worms
Acoelomate
Bilaterally symmetrical

A

Flatworms

57
Q

Osmoregulation by means of

A

Protonephridia

58
Q

Mass of nerve tissue

A

Ganglionic

59
Q

Aquatic and mistly matine
With ciliated epidermis

A

Tubellaria

60
Q

Ectoparasite flukes

A

Monogenean

61
Q

Parasitic worms outer body surface covered by a non ciliated tegument (cuticula)

A

Trematoda

62
Q

Lung Fluke

A

Paragonimus westermani

63
Q

Human liver fluke

A

Clonorchis sinensis

64
Q

Liver fluke

A

Fasciola hepatica

65
Q

Blood fluke

A

Schistosoma

Taxonomy (2 decks)

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