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Biology 112 > Chapter 25 > Flashcards

Chapter 25 Flashcards

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1
Q

lycophytes (club mosses, quilworts), monilophytes (horsetails, ferns)

Dominant form: gametophyte

roots, leaves, stems

A

vascular plants

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2
Q

bryophytes

liverworts, bryophyta (mosses), hornworts

Dominant form: sporophyte

Water is absorbed through osmosis/diffusion

A

non vascular plants

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3
Q

gametophyte

A

haploid

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4
Q

haploid

A

1N/sexual

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5
Q

sporophyte

A

diploid

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6
Q

diploid

A

2N/asexual

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7
Q

plant life cycle alternates between sexual (gametophyte) and asexual (sporophyte) generations

A

alternation of generations

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8
Q

spores are produced by meiosis in the sporangium of a diploid sporophyte, dispersal happens through the air

A

walled haploid spores

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9
Q

place where gametes are produced

A

gametangia

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10
Q

liverworts, mosses, hornworts

A

bryophytes

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11
Q

phylum hepatophyta

A

liverworts

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12
Q

phylum bryophyta

A

mosses

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13
Q

male gametangia, where sperm are produced

A

antheridia

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14
Q

female gametangia, where eggs are produced

A

archegonia

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15
Q

phylum anthocerophyta

A

hornworts

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16
Q

dominant form of bryophytes

A

haploid gametophyte

17
Q

____________ allows for larger, taller sporophytes for faster transport of nutrients

A

vascular tissue

18
Q

moves sugars and minerals down towards roots

A

phloem

19
Q

moves water from roots to stems and leaves

A

xylem

20
Q

single vein

A

microphylls

21
Q

branched veins

A

megaphylls

22
Q

where spores are formed

A

sporangia

23
Q

leaf with sporangia

A

sporophyll

24
Q

clusters of sporangia on sporophylls

A

sori

25
Q

cone-like group of sporophylls

A

strobilus

26
Q

closest group to ancestral vascular plants

microphylls and strobili

club and spike mosses

A

phylum lycophyta

27
Q

whisk fern with dichotomous branching, no true leaves or roots

horsetails

ferns

A

phylum monilophyta

28
Q

most widespread and diverse monilophyte, large megaphylls, sori on the underside of sporophylls

A

ferns

29
Q

Covered the earth, increasing organic C on land (for food)

Further increases O2 levels

Reduced CO2 levels

A

Success of seedless vascular plants changed the Paleozoic world

Biology 112 (11 decks)

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