seed plants Flashcards

1
Q

what is the dominant form of seed plants

A

sporophyte (2n)

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2
Q

male gametophyte in seed plants

A

pollen grain

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3
Q

male gametophyte in seed plants

A
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3
Q

female gametophyte in seed plants

A

embryo sac

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4
Q

advantage of seed

A

o Contains food to get embryo established
o Embryo is partially grown rather than a single cell
o Seed coat protects seed and prevents death from water loss

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5
Q

seeds allow reproduction in…..

A

dry environments

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6
Q

gymnosperm means

A

naked seed

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7
Q

gymnosperm seeds

A

are not contained in fruits

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8
Q

gymnosperms seeds are produced in

A

cones

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9
Q

gymnosperms make ___ and ___

A

pollena and ovules

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10
Q

gymnosperm: dominant form

A

sporophyte (2n)

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11
Q

gymnosperm lifecycle

A

 Male cones produce pollen

 Female cones produce ovules

 Wind fertilizes ovules

 Cones are sealed closed while seeds develop

 Cones open to release seeds (via wind)

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12
Q

gymnosperm: dominant form

A

sporophyte (2n)

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12
Q

example of gymnosperms

A

conifers, ginkgo biloba, cycads, gnetophytes

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13
Q

gymnosperm: dominant form

A

sporophyte (2n)

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13
Q

angiosperm means

A

contained seeds

14
Q

gymnosperm: dominant form

A

sporophyte (2n)

14
Q

angiosperms are often called

A

flowering plants

15
Q

gymnosperm: dominant form

A

sporophyte (2n)

15
Q

angiosperm seeds are

A

surrounded by fruits

16
Q

gymnosperm: dominant form

A

sporophyte (2n)

16
Q

angiosperm lifecycle

A

 Flowers grown with stamens and carpel

 Stamens produce pollen grains

 Carpel produces embryo sacs

 Pollination by animals/wind

 Fruit grows around seed

17
Q

gymnosperm: dominant form

A

sporophyte (2n)

17
Q

example of angiosperms

A

basal angiosperms, magnoliids, monocots, eudicots

18
Q

purpose of fruit

A

helps disperse seed

25
Q

gymnosperm: dominant form

A

sporophyte (2n)