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Lab Practical 2 > Evolution of Land Plants 2 > Flashcards

Evolution of Land Plants 2 Flashcards

1
Q

Pine life cycle

A

look at book

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2
Q

Microgametophyte

A

the male gametophyte that develops form the microspores of heterosporous plants

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3
Q

pollen grain

A

mass of microspores in a seed plant appearing usually as a fine dust

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4
Q

megagametophyte

A

the female gametophyte produced by the megaspore of a plant that produces both microspores and megaspores

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5
Q

integuments

A
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6
Q

mature female cone

A
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7
Q

cotyledons

A

seed leaf within the embryo of a seed

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8
Q

pine embryos

A

sporophyte plant

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9
Q

Angiosperm life cycle

A

look at book

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10
Q

pedicel

A
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11
Q

sepals

A
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12
Q

pedals

A
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13
Q

male reproductive parts of an angiosperm

A

stamen -
anther -
filament -

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14
Q

female reproductive parts of an angiosperm

A

carpel -
ovary -
stigma -
style -
ovules -

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15
Q

Basic floral anatomy set up

A

look in photos

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16
Q

seed coat

A

protective outer layer of a seed

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17
Q

cotyledons

A

seed leaf within the embryo of a seed. help supply the nutrition to a plant embryo it need to germinate.

18
Q

epicotyl

A

the embryonic shoot above he cotyledons, it will develop into the leaves of the plant

19
Q

hypocotyl

A

a germinating seedlings stem normally found underneath the seeds leaves but above the root and gradually develops into the stem.

20
Q

radicle

A

the first organ to appear when a seed germinates

21
Q

endosperm

A

Tissue that surrounds and nourishes the embryo in the seeds of angiosperms

22
Q

coleoptile

A

cylindrical organs that ensheath the first leaf and shoot apex in grass seedlings. hey help in the emergence of the first lead and shoot apex, by protecting it during its passage through the soil

23
Q

Monocot seed

A

a bisected corn seed with a seed coat, endosperm, embryo, single cotyledon and radicle

24
Q

Monocot seedling

A

a 7-day old corn seedling with a coleoptile and adventitious roots

25
Q

eudicot seedling

A

7-day old bean seedling with primary and secondary roots, hypotoctyl, cotyledons, and epicotyl, true leaf, apical bud

26
Q

Describe the pollen dispersal of Gymnosperms

A
  • no spore dispersal
  • no flagellated sperm
  • yes wind dispersal
27
Q

What is the dominant generation of gymnosperms

A

sporophyte dominant

28
Q

Homospory

A

The production by various plants (such as the club mosses and horsetails) of asexual spores of only one kind

29
Q

Heterospory

A

A situation in which a plant bears two different types of spores. the smaller spore crease the microspore (male gametophyte) and the larger spore is the megaspore (female gametophyte)

30
Q

Pollination syndrome

A

Suites of flower traits that have evolved in response to natural selection imposed by different pollen vectors either abiotic or biotic

31
Q

Sporangia

A

A structure within which spores are produced

32
Q

Gametangia

A

a cell or organ in which gametes are developed

33
Q

Archegonia

A

female reproductive organ

34
Q

Antheridia

A

Male sex organ, saclike structure made up of a jacket of sterile cells; encloses many cells and when mature, produces one sperm

35
Q

Mega vs micro prefix

A

Male MICROspore and Female MEGAspore

36
Q

Gymnosperms

A

vascular plants with naked seeds, includes the conifers, cycads, Ginkgo sp., Welwitschia sp., and Gnetum sp.

37
Q

Angiosperms

A

vascular plants with seeds in a protective chamber, includes all flowering plants

38
Q

microsporophylls

A

a leaf on whoch the microspores are formed in male cones

39
Q

Microsporangia

A

a structure in the pants male reproductive organ where the development of the pollen takes place - produces microspores

40
Q

Megasporophyll

A

aka ovuliferous scale

41
Q

megasporangium

A

a structure in certain spore bearing plants like cones in which megaspores are formed - corresponds to the ovule in seed plants

Lab Practical 2 (6 decks)

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