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Bio 121 Lab > Lab 6 > Flashcards

Lab 6 Flashcards

1
Q

Sybkingdoms of Animilia

A

Parazoa, Eumetazoa

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2
Q

Parazoa

A

Multicellular no tissue

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3
Q

Eumetazoa

A

Multicellular and has a tissue

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4
Q

All members of animila

A

Are heterotrophic

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5
Q

All members of Eumetazoa have ______ for locomotion

A

Muscle cells or muscle fibres

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6
Q

All Porifera are

A

Aquatic

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7
Q

bodies of all sponges have

A

No symmetry

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8
Q

What makes up the skeleton of the sponge

A

Fibrous protein called spongin and hard spicules of calcium carbonate or silica

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9
Q

Sponges have an internal cavity called

A

Spongocoel

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10
Q

How do water and wastes leave the spongocoel

A

Large opening called osculum

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11
Q

Where is osculum located

A

At the top of the sponge

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12
Q

What is the type of feeding used by Porifera called

A

Filter feeding

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13
Q

Grantia

A

Domain: Eukarya
Kingdom: Animilia
Subkingdom: Parazoa
Phylum: Porifera

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14
Q

Habitat of Porifera

A

Coastlines of the North Atlantic

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15
Q

What kind of a sponge is granita

A

Colonial

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16
Q

Grantia is a

A

Hermaphroditic

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17
Q

Hermaphroditic

A

Produces male and female gametes

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18
Q

How can granite reproduce

A

Sexually and Asexually

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19
Q

How does granita reproduce sexually

A

Releases sperm which swims to the eggs within other sponges for fertilization. The resulting zygote grown into embryo within the parent sponge and released out of the spongoceal through the osculum

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20
Q

How can granite reproduce asexually

A

Fragmentation

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21
Q

Friends of Grantia

A

Spongilla

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22
Q

Phylum Cnidaria

A

Stinged cells: Jellyfish, corals and sea anemones

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23
Q

Cnidarians are

A

Diploblastic

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24
Q

What does diploblastic mean

A

It means that it has an outer layer (ectoderm) and an inner layer called endoderm

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25
Q

What is the endoderm and ectoderm held together by

A

Mesoglea

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26
Q

What is the body plan of Cnidarians called

A

Diploblastic coelomate

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27
Q

What kind of symmetry to cnidarians have

A

Radial

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28
Q

What ti cnidarians have

A

Tentacles

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29
Q

What are these tentacles covered by

A

Cnidoblasts cells

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30
Q

what do cnidoblasts cells contain

A

nematocyst

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31
Q

What are nematocysts used for

A

Microscopic, usually venomous harpoons used to immobilize and capture prey or for defence purposes

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32
Q

How do cnidarians eat

A

Tentacles push prey into the mouth/anus. the mouth and the anus is the opening of the gastrovascular cavity that has only one opening

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33
Q

two life cycles of cnidarians

A

Polyp
Medusa

34
Q

Polyp

A

sessile

35
Q

Medusa

A

Can swim

36
Q

How do cnidarians reproduce

A

Sexually and Asexually (Budding)

37
Q

Hydra

A

Domain: Eukarya
Kingdom: Animilia
Subkingdom: Eumetazoa
Phylum: Cnidaria

38
Q

Habitat of hydra

A

Found in sloughs and streams

39
Q

What kind of symmetry does hydra have

A

Radial

40
Q

What kind of body form does hydra have

A

Polyp

41
Q

When the mouth/anus is closed the gastrovascular cavity acts as a

A

Hydrostatic skeleton and restricts volume changes

42
Q

what kind of body plan does hydra have

A

Diploblastic acoelmate

43
Q

What is hydras body made up of

A

2 cell layers and it has no coelom
Outer layer is ectoderm
Inner longer layer is endoderm

44
Q

What does the endoderm secrete

A

Digestive enzymes into the gastrovascuclar cavity

45
Q

hydra also has food vacuoles

A

For intracellular digestion

46
Q

Hydra has _______ between ectoderm and endoderm

A

mesoglea

47
Q

how does hydra reproduce Sexually

A

Does not have a medusa stage
ovaries and tests form gametes and fuse to form a new generation

48
Q

How does Hydra reproduce asexually

A

Budding

49
Q

Friends of hydra

A

Coral

50
Q

Phylum

A

Platyhelminthes (Flatworms)

51
Q

How do flatworms look like

A

Dorso ventrally flattened and have a bilateral symmetry

52
Q

How many tissues do Platyhelminthes have

A

3 layers
Ectoderm, Endoderm and mesoderm

53
Q

What are platyhekminthes termed at

A

triploblastic

54
Q

What is the body plan of Platyhelminthes

A

Triploblastic acoelomate

55
Q

Mesoderm in flatworms

A

Between ectoderm and endoderm
it creates a excretory system to cope with the resulting increase in metabolic waste production with increased size

56
Q

Difference between Cnidarians and flatworms

A

They both have gastrovascular cavity
Flatworms have mouth and anus at the end of a muscular tube called pharynx

57
Q

the nervous system of flatworms shows

A

Cephalization

58
Q

Dugesia

A

Domain: Eukarya
Kingdom: Animilia
Subkingdom: Eumetazoa
Phylum: Platyhelminthes

59
Q

Habitat of Dugesia

A

found in freshwater streams and ponds

60
Q

Projections on the sides of the head of Dugesia are called

A

Auricles

61
Q

Dugesia secretes mucus

A

From its ventral Surface

62
Q

How does Dugesia move

A

Has cilia covered on the ventral surface

63
Q

Mesoderm in Dugesia enables the formation of

A

Muscle cells

64
Q

Dugesia is also

A

Hermaphroditic

65
Q

Friends of Dugesia

A

Chinese liver fluke

66
Q

How does Dugesia Reproduce

A

Sexually: Cross fertilization or asexually by frangmentation

67
Q

Symmetry of Nematoda

A

Bilateral symmetry

68
Q

What does the body of Nematoda look like

A

Tubular gut with cuticle as an outer covering

69
Q

body plan of Nematoda

A

Triploblastic pseudocoelomate

70
Q

Fluid filled between mesoderm and endoderm

A

Pseudocoelom

71
Q

How do Nematodas move

A

They have a whip like motion

72
Q

Turbatrix

A

Domain: Eukarya
Kingdom: Animilia
Subkingdom: Eumetazoa
Phylum: Nematoda

73
Q

Habitat if Turbatrix

A

acidic, low pH environments

74
Q

How does Turbatrix move

A

Has a whip like motion

75
Q

Symmetry of Turbatrix

A

Bilaterally symmetric

76
Q

where is the mouth of the turbatrix

A

Anterior end of the gut

77
Q

Turbatrix

A

Has an intestine

78
Q

What covers the posterior end of the intestine

A

Pseudocoelom

79
Q

Where are the reproductive structures of Turbatrix

A

Anterior end

80
Q

Turbatrix

A

Has separate male and female sexes

81
Q

Friends of Turbatrix

A

Ascaris

82
Q
A

Bio 121 Lab (6 decks)

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