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Marine Botany > Definitions-final > Flashcards

Definitions-final Flashcards

1
Q

Hydrophyte

A

Lives in water

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2
Q

Halophyte

A

Have adaptations to prevent water loss

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3
Q

Facultative halophyte

A

Do not require saline conditions

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4
Q

Obligate halophyte

A

Need sodium to complete life cycle

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5
Q

Monocots

A

1 cotelydon, leaves are parallel blades

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6
Q

Hydrophily

A

Water mediated pollination

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7
Q

Vivipary

A

Bearing live young

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8
Q

Heterotrichous growth

A

Filamentous growth in 2 directions, erect and prostrate

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9
Q

Spermatium

A

Non mobile male gamete

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10
Q

Carpogonium

A

Non motile female gamete

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11
Q

Conchocelis

A

2n sporophyte, filamentous, lives in shells of mollusks

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12
Q

Conchospore

A

1N spore produced by conchocelis stage

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13
Q

Monospore

A

1N or 2N asexual spore, develops onto same phase as parent

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14
Q

Carpogonial branch

A

Filamentous branch where carpogonium form

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15
Q

Trichogyne

A

Extension of egg, where spermatium attaches

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16
Q

Spermatangial branch

A

Holds spermatangia

17
Q

Spermatangium

A

Male reproductive structure(gametophyte) produces spermatia

18
Q

Trichoblast

A

Filament of cells that remains stetile, forms spermatangia or carpogonium

19
Q

Carposporophyte

A

Diploid, develops from carpogonoum and spermatium fusion, 2N zygote clones to make carpospores

20
Q

Pericarp

A

1n veg tissue, surrounds carposporophyte

21
Q

Cystocarp

A

Pericarp and carposporophyte

22
Q

Carposporangia

A

Produces carpospores

23
Q

Gonimoblast

A

2N filaments, bear carposporangia

All Florideophyceae

24
Q

Carpospore

A

Diploid spore(my) by carposporophyte

25
Q

Tetrasporophyte

A

Diploid, from germ carpospore, me releases tetraspores

26
Q

Tetrasporangium

A

2N me to form 4 tetraspores

27
Q

Tetraspore

A

Haploid spore

28
Q

Connecting/Ooblast filament

A

Tube, carries zygote nucleus from egg to aux cell, cloned into carpospores

29
Q

Auxiliary cell

A

Vegetative 1n receives zygote nucleus after fertilization

30
Q

Carboxisomes

A

Bacterial microcompartments that contain enzymes for carbon fixation
Concentrate CO2 for RuBisCo

31
Q

Trichome

A

Row of cells(cyanophyta)

32
Q

Filament (cyanophyta)

A

Trichome w/n a mucilaginous sheath

33
Q

False branching

A

Outgrowth of filament, curves

34
Q

Trichocyst

A

Protein rod, can be ejected (miozoa)

35
Q

Frustrules

A

Boxlike cell walls composed of silica

36
Q

Girdle

A

Area of overlap of frustrules

37
Q

Raphe

A

Central groove

Marine Botany (2 decks)

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