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Biology S2 > Test 8 > Flashcards

Test 8 Flashcards

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0
Q

Grafting

A

Scion –> stock, joins cambiums. Budding— bud is scion

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1
Q

Vegetative reproduction

A

Asexual reproduction. Leaves, roots, stems produce another plant

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2
Q

Layering

A

Leaf or stem produces a new plant

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3
Q

Stolon

A

Adventitious root–> runners

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4
Q

Corm

A

Crocus, underground stem that divides into new plants

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5
Q

Bulb

A

Onion, underground stem that divides into new plants

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6
Q

Tuber

A

(Spud) underground stem for storage

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7
Q

Flower

A

Sexual reproductive structure in an angiosperm

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8
Q

Stamen

A

Male reproductive structure in flower

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9
Q

Anther

A

Structure in which the male gametophytes are produced in flowering plants

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10
Q

Filament

A

Long thin structure that supports the anther

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11
Q

Pistil

A

Female reproductive structure in flowering plants

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12
Q

Stigma

A

Upper part of pistil where pollen grains are deposited

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13
Q

Style

A

Stalk between the stigma and the ovary

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14
Q

Ovulary

A

Structure containing the embryo sac

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15
Q

Ovary

A

Base of the pistil that contains ovules and developing gametophytes

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16
Q

Ovule

A

Specialized reproductive structure in seed plants

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17
Q

Receptacle

A

Enlargement of the pedicel that supports the flower

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18
Q

Petal

A

modified leaves that surround the reproductive parts of flowers

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19
Q

Corolla

A

Combined petals of a flower

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20
Q

Calyx

A

Ring of sepals at the base of a flower

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21
Q

Fruit

A

Protective structure that contains angiosperm seeds

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22
Q

Pollen

A

Powder containing the gametophytes of a seed plant

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23
Q

Egg

A

Female gametophyte

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24
Q

Embryo sac

A

Female gametophyte within the ovule of a flower

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25
Q

Polar nuclei

A

Locate themselves in the center of the sac during fertilization

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26
Q

Embryo

A

Organism at an early stage of development

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27
Q

Micro spore

A

Develop into male gametophytes

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28
Q

Megaspore

A

Develop into female gametophytes

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29
Q

Fertilization

A

Union of a sperm and egg to form a zygote

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30
Q

Double fertilization

A

Process that occurs in angiosperms to form and endosperm

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31
Q

Generative nucleus

A

Divides to form the two sperm cells involved in double fertilization

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32
Q

Zygote

A

Fertilized egg cell

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33
Q

Cotyledon

A

Characteristic used to classify flowering plants

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34
Q

Seed coat

A

The outer protective covering of a seed

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35
Q

Endosperm

A

Provides food for the embryo

36
Q

Germination

A

Process where a plant grows from a seed

37
Q

Pollination

A

Transfer of pollen from the anther of a stamen to the stigma of a pistil

38
Q

Pollen tube

A

Brings the sperm cells to the egg nucleus

39
Q

Tube nucleus

A

Nucleus that results from the mitotic division of the ovule of a pollen grain during the pollination of a flower

40
Q

Sperm nucleus

A

Nucleus in angiosperms that results when the generative nucleus within the pollen grain divides

41
Q

Micropyle

A

The ovule of a plant

42
Q

Seed

A

Embryonic plant enclosed in a protective outer covering

43
Q

Epicotyl

A

Portion of a shoots stem Above the cotyledon

44
Q

Hypocotyl

A

Portion of a stem below the cotyledon In a new germinates seed

45
Q

Epidermis

A

Outermost cell layer of plants

46
Q

Palisade layer

A

Top part of mesophyll layer contains chloroplasts

47
Q

Spongy layer

A

Bottom part of mesophyll layer

48
Q

Stomata

A

Openings on undersurface of leaves (transpiration)

49
Q

Guard cells

A

Surround stomata and for gas changes in and out of the plant

50
Q

Vein

A

Vascular structures on the blade part of the leaf

51
Q

Margin

A

Edge of leaf

52
Q

Blade

A

the main organ of photosynthesis and transpiration in higher plants

53
Q

Petiole

A

Stem of the leaf

54
Q

Mesophyll

A

Tissue for photosynthesis

55
Q

Epidermal

A

Tissue for protection

56
Q

Vascular tissue

A

Tissue for transporting and conducting water and nutrients

57
Q

Meristematic

A

Tissue for growth

58
Q

Collenchyma

A

Tissue for support

59
Q

Sclerenchyma

A

Tissue for support

60
Q

Parenchyma

A

Classic tissue for storage

61
Q

Node

A

Where the leaves come off

62
Q

Cork

A

The outer bark of a tree

63
Q

Stele

A

Central part of the root or stem

64
Q

Adventitious

A

Structures that develops in unusual places

65
Q

Modified roots

A

Roots that change they’re structure to adapt to the enviorment

66
Q

Root cap

A

Section of tissue at the tip of a plant root

67
Q

Pericycle

A

the outer most part of the stele of plants

68
Q

Root hair

A

The rhizoids of a vascular plant

69
Q

Endodermis

A

Central layer of the cortex

70
Q

Xylem

A

Transports water and nutrients

71
Q

Cortex

A

Outermost layer of an organism

72
Q

Pith

A

Tissue in the stem of a vascular plant

73
Q

Phloem

A

Living tissue that carries organic nutrients

74
Q

Sapwood

A

Living part of the xylem that transports water and nutrients

75
Q

Heartwood

A

Dead part of the xylem used for support

76
Q

Chloroplast

A

Captures energy from sunlight

77
Q

Abscission layer

A

process by which a plant drops one or more of its parts

78
Q

Translocation

A

Movement of starch to different areas of the plant

79
Q

Transpiration

A

Evaporation of water from a plant

80
Q

Bud scale

A

Hard protective leaves surrounding the bud of a plant

81
Q

Terminal bud

A

he bud located at the end of a twig marking the end of that year’s growth

82
Q

Bud scale scar

A

is what is used to determine the age of a stem from a tree

83
Q

Leaf scar

A

is the mark left by a leaf after it falls off

84
Q

Bundle scar

A

A mark on a leaf scar indicating a point where the vein of a leaf was

85
Q

Lenticel

A

porous tissue consisting of cells with large intercellular spaces in the bark

86
Q

Stipule

A

Outer growths found on either side of the of a leafstalk

87
Q

Stipular spine

A

a sharp, modified stipule

88
Q

Lateral bud

A

A bud located on the side of the stem

Biology S2 (8 decks)

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