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Bio 121 Lab > Lab 6 > Flashcards

Lab 6 Flashcards

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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
What is the endoderm and ectoderm held together by
Mesoglea
26
What is the body plan of Cnidarians called
Diploblastic coelomate
27
What kind of symmetry to cnidarians have
Radial
28
What ti cnidarians have
Tentacles
29
What are these tentacles covered by
Cnidoblasts cells
30
what do cnidoblasts cells contain
nematocyst
31
What are nematocysts used for
Microscopic, usually venomous harpoons used to immobilize and capture prey or for defence purposes
32
How do cnidarians eat
Tentacles push prey into the mouth/anus. the mouth and the anus is the opening of the gastrovascular cavity that has only one opening
33
two life cycles of cnidarians
Polyp Medusa
34
Polyp
sessile
35
Medusa
Can swim
36
How do cnidarians reproduce
Sexually and Asexually (Budding)
37
Hydra
Domain: Eukarya Kingdom: Animilia Subkingdom: Eumetazoa Phylum: Cnidaria
38
Habitat of hydra
Found in sloughs and streams
39
What kind of symmetry does hydra have
Radial
40
What kind of body form does hydra have
Polyp
41
When the mouth/anus is closed the gastrovascular cavity acts as a
Hydrostatic skeleton and restricts volume changes
42
what kind of body plan does hydra have
Diploblastic acoelmate
43
What is hydras body made up of
2 cell layers and it has no coelom Outer layer is ectoderm Inner longer layer is endoderm
44
What does the endoderm secrete
Digestive enzymes into the gastrovascuclar cavity
45
hydra also has food vacuoles
For intracellular digestion
46
Hydra has _______ between ectoderm and endoderm
mesoglea
47
how does hydra reproduce Sexually
Does not have a medusa stage ovaries and tests form gametes and fuse to form a new generation
48
How does Hydra reproduce asexually
Budding
49
Friends of hydra
Coral
50
Phylum
Platyhelminthes (Flatworms)
51
How do flatworms look like
Dorso ventrally flattened and have a bilateral symmetry
52
How many tissues do Platyhelminthes have
3 layers Ectoderm, Endoderm and mesoderm
53
What are platyhekminthes termed at
triploblastic
54
What is the body plan of Platyhelminthes
Triploblastic acoelomate
55
Mesoderm in flatworms
Between ectoderm and endoderm it creates a excretory system to cope with the resulting increase in metabolic waste production with increased size
56
Difference between Cnidarians and flatworms
They both have gastrovascular cavity Flatworms have mouth and anus at the end of a muscular tube called pharynx
57
the nervous system of flatworms shows
Cephalization
58
Dugesia
Domain: Eukarya Kingdom: Animilia Subkingdom: Eumetazoa Phylum: Platyhelminthes
59
Habitat of Dugesia
found in freshwater streams and ponds
60
Projections on the sides of the head of Dugesia are called
Auricles
61
Dugesia secretes mucus
From its ventral Surface
62
How does Dugesia move
Has cilia covered on the ventral surface
63
Mesoderm in Dugesia enables the formation of
Muscle cells
64
Dugesia is also
Hermaphroditic
65
Friends of Dugesia
Chinese liver fluke
66
How does Dugesia Reproduce
Sexually: Cross fertilization or asexually by frangmentation
67
Symmetry of Nematoda
Bilateral symmetry
68
What does the body of Nematoda look like
Tubular gut with cuticle as an outer covering
69
body plan of Nematoda
Triploblastic pseudocoelomate
70
Fluid filled between mesoderm and endoderm
Pseudocoelom
71
How do Nematodas move
They have a whip like motion
72
Turbatrix
Domain: Eukarya Kingdom: Animilia Subkingdom: Eumetazoa Phylum: Nematoda
73
Habitat if Turbatrix
acidic, low pH environments
74
How does Turbatrix move
Has a whip like motion
75
Symmetry of Turbatrix
Bilaterally symmetric
76
where is the mouth of the turbatrix
Anterior end of the gut
77
Turbatrix
Has an intestine
78
What covers the posterior end of the intestine
Pseudocoelom
79
Where are the reproductive structures of Turbatrix
Anterior end
80
Turbatrix
Has separate male and female sexes
81
Friends of Turbatrix
Ascaris
82

Bio 121 Lab (6 decks)

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