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Biology S2 > Test 8 > Flashcards

Test 8 Flashcards

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
Embryo sac
Female gametophyte within the ovule of a flower
25
Polar nuclei
Locate themselves in the center of the sac during fertilization
26
Embryo
Organism at an early stage of development
27
Micro spore
Develop into male gametophytes
28
Megaspore
Develop into female gametophytes
29
Fertilization
Union of a sperm and egg to form a zygote
30
Double fertilization
Process that occurs in angiosperms to form and endosperm
31
Generative nucleus
Divides to form the two sperm cells involved in double fertilization
32
Zygote
Fertilized egg cell
33
Cotyledon
Characteristic used to classify flowering plants
34
Seed coat
The outer protective covering of a seed
35
Endosperm
Provides food for the embryo
36
Germination
Process where a plant grows from a seed
37
Pollination
Transfer of pollen from the anther of a stamen to the stigma of a pistil
38
Pollen tube
Brings the sperm cells to the egg nucleus
39
Tube nucleus
Nucleus that results from the mitotic division of the ovule of a pollen grain during the pollination of a flower
40
Sperm nucleus
Nucleus in angiosperms that results when the generative nucleus within the pollen grain divides
41
Micropyle
The ovule of a plant
42
Seed
Embryonic plant enclosed in a protective outer covering
43
Epicotyl
Portion of a shoots stem Above the cotyledon
44
Hypocotyl
Portion of a stem below the cotyledon In a new germinates seed
45
Epidermis
Outermost cell layer of plants
46
Palisade layer
Top part of mesophyll layer contains chloroplasts
47
Spongy layer
Bottom part of mesophyll layer
48
Stomata
Openings on undersurface of leaves (transpiration)
49
Guard cells
Surround stomata and for gas changes in and out of the plant
50
Vein
Vascular structures on the blade part of the leaf
51
Margin
Edge of leaf
52
Blade
the main organ of photosynthesis and transpiration in higher plants
53
Petiole
Stem of the leaf
54
Mesophyll
Tissue for photosynthesis
55
Epidermal
Tissue for protection
56
Vascular tissue
Tissue for transporting and conducting water and nutrients
57
Meristematic
Tissue for growth
58
Collenchyma
Tissue for support
59
Sclerenchyma
Tissue for support
60
Parenchyma
Classic tissue for storage
61
Node
Where the leaves come off
62
Cork
The outer bark of a tree
63
Stele
Central part of the root or stem
64
Adventitious
Structures that develops in unusual places
65
Modified roots
Roots that change they're structure to adapt to the enviorment
66
Root cap
Section of tissue at the tip of a plant root
67
Pericycle
the outer most part of the stele of plants
68
Root hair
The rhizoids of a vascular plant
69
Endodermis
Central layer of the cortex
70
Xylem
Transports water and nutrients
71
Cortex
Outermost layer of an organism
72
Pith
Tissue in the stem of a vascular plant
73
Phloem
Living tissue that carries organic nutrients
74
Sapwood
Living part of the xylem that transports water and nutrients
75
Heartwood
Dead part of the xylem used for support
76
Chloroplast
Captures energy from sunlight
77
Abscission layer
process by which a plant drops one or more of its parts
78
Translocation
Movement of starch to different areas of the plant
79
Transpiration
Evaporation of water from a plant
80
Bud scale
Hard protective leaves surrounding the bud of a plant
81
Terminal bud
he bud located at the end of a twig marking the end of that year's growth
82
Bud scale scar
is what is used to determine the age of a stem from a tree
83
Leaf scar
is the mark left by a leaf after it falls off
84
Bundle scar
A mark on a leaf scar indicating a point where the vein of a leaf was
85
Lenticel
porous tissue consisting of cells with large intercellular spaces in the bark
86
Stipule
Outer growths found on either side of the of a leafstalk
87
Stipular spine
a sharp, modified stipule
88
Lateral bud
A bud located on the side of the stem

Biology S2 (8 decks)

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