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Bio 202 midterm > Cnidarians > Flashcards

Cnidarians Flashcards

cnidarians

1
Q

Cnidaria what type of symmetry

A

radial/biradial (hints towards bilateral)

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2
Q

Cnidaria what kind of cell structure

A

diploblastic

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3
Q

Cnidaria what kind of ceolom

A

acoelomate

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4
Q

Cnidaria what kind of nervous system

A

Nerve net

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5
Q

Cnidaria 2 stages

A

medusa (sexual) and polyp (asexual budding)

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6
Q

Cnidaria defense/prey capture with what

A

cnidocytes

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7
Q

Cnidaria what type of skeleton

A

Hydrostatic

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8
Q

Cnidaria 4 classes

A

Hydrozoa, scyphozoa, cubozoa, anthozoa

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9
Q

Class hydrozoa stinging cells and gametes

A

Stinging cells on outside layer, gametes produced by outer layer

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10
Q

Class scyphozoa which stage dominant

A

Medusa

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11
Q

Class scyphozoa mono or diecious, gametes

A

diecious, gametes formed by inner gastrodermal cells

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12
Q

Class Anthozoa which stage

A

Only polyp stage

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13
Q

Class Anthozoa gastro cavity divided by what

A

mesenteries

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14
Q

Class anthozoa asexual reproduction

A

Pedal laceration

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15
Q

Swimming form of cnidaria

A

Planula stage

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16
Q

Phylum Ctenophora cell structure

A

diploblastic

17
Q

Ctenophora symmetry

18
Q

Ctenophora anus or nah

19
Q

Ctenophora nervous system

20
Q

Ctenophora get prey how

A

colloblasts excreting glue like structure

21
Q

Ctenophora what type of fertilization

A

external, monoecious

22
Q

Phylum placozoa symmetry

A

Asymmetrical

23
Q

Special things about placozoa

A

flagellated dorsal epithelium, ciliated ventral epithelium, middle mesenchyme like sheet

24
Q

Phylum acoelomorpha cell structure and coelom

A

Triploblastic and acoelomate

25
Q

Acoelomorpha asexual

26
Q

internal or external fertilization acoelomorpha

A

internal by monoecious pairs

27
Q

Acoelomorpha gut

A

incomplete

Bio 202 midterm (11 decks)

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