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botany 105 vocab final > botany 105 vocab > Flashcards

botany 105 vocab Flashcards

1
Q

albuminous

A

has endosperm

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2
Q

incomplete flower

A

flower with missing whorl(s)

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3
Q

coenocytic

A

condition where nuclei is free floating within cytoplasm

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4
Q

zygosporangium

A

formed from diploid nuclei from fertilization, undergoes meiosis

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5
Q

yeasts

A

unicellular fungi

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6
Q

ectomycorrhizal fungi

A

forms sheaths around roots and penetrates between root cells

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7
Q

glyceraldehyde

A

sugar produced in photosynthesis

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8
Q

paraphyletic group

A

common ancestor and some, but not all, of its descendants

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9
Q

ovule

A

indehiscent, integumented megasporangium with one functional megaspore

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10
Q

sporophyll

A

modified leaf that bears sporangia

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11
Q

sporangium

A

multicellular individual which bears sporocytes which bear spores

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12
Q

gametophyte

A

multicellular haploid individual

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13
Q

gametangium

A

multicellular haploid structure that produces gametes

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14
Q

stamen

A

fertile floral structure consisting of an anther and filament; bears pollen

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15
Q

epicotyl

A

part of the embryo in a seed that becomes the upper part of the stem and leaves

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16
Q

apothecium

A

cup-shaped ascocarp (bears asci)

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17
Q

hypha/e

A

filament of fungal cells; forms mycelium

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18
Q

hartig net

A

a dense hyphal mass surrounding the roots in an ectomycorrhizal association

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19
Q

gamete

A

haploid cell that goes into fertilization

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20
Q

zygote

A

diploid cell produced by fertilization

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21
Q

ovuliferous scale

A

specialized stems that form female cone of conifers; has ovules that develop into seeds

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22
Q

seed

A

fertilized ovule

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23
Q

integument

A

a protective layer around sporangium

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24
Q

micropyle

A

an opening through the integument(s) of ovule through which pollen enters to fertilize egg

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25
Q

funiculus

A

a stalk-like structure that connects the ovule with the ovary wall

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26
Q

nucellus

A

megasporangium that contains embryo

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27
Q

dehiscence

A

natural breaking open of structure to release reproductive structures

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28
Q

sporocyte

A

diploid cell that produces spores by meiosis

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29
Q

pollen

A

microspore containing very reduced microgametophyte

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30
Q

generative cell

A

the cell that divides through mitosis and forms two sperm cells

31
Q

pollination (gymnosperms)

A

bringing microgametophyte inside microspore inside ovule

32
Q

pollination (angiosperms)

A

bringing microgametophyte contained in pollen grain into stigma of carpal

33
Q

pollination syndrome

A

a set of adaptation in a plant that maximize pollination depending on its vector

34
Q

seed dispersal syndrome

A

set of adaptations in a plant that maximizes its seed dispersal depending on its vector

35
Q

dioecious

A

having male and female reproductive organs in separate plants or animals

36
Q

monoecious

A

having male and female reproductive organs in the same plant or animal

37
Q

calyx

A

whorl of sepals

38
Q

corolla

A

whorl of petals

39
Q

androecium

A

whorl of stamens

40
Q

gynoecium

A

whorl of carpals

41
Q

connation

A

fusion of parts within same whorl

42
Q

adnation

A

fusion of parts between different whorls

43
Q

syncarpous

A

fused carpals

44
Q

apocarpous

A

unfused carpals

45
Q

carpel

A

fertile floral structure on flower consisting of style and stigma; captures pollen

46
Q

anther

A

pollen-bearing structure on stamen

47
Q

pistil

A

unit of carpels within a flower

48
Q

ovary

A

a flower structure that encloses and protects ovules and seeds as they develop

49
Q

locule

A

an opening inside the ovary where the ovules are found

50
Q

style

A

stalk that supports the stigma (in a carpel)

51
Q

stigma

A

floral structure that captures pollen

52
Q

placenta

A

floral structure within ovary where ovule attaches

53
Q

embryo sac

A

female gametophyte within ovule of angiosperms

54
Q

endosperm

A

a nutrient-rich tissues that provides nourishment to the developing embryo

55
Q

exalbuminous

A

has no endosperm

56
Q

hypocotyl

A

part of a plant embryo directly below the cotyledons, forming a connection with the radicle

57
Q

radicle

A

first organ to emerge from germinating seed

58
Q

hypanthium

A

the cuplike structure of a flower from receptacle which bears the floral whorls

59
Q

complete flower

A

flower with all whorls present

60
Q

perfect flower

A

flower with no fertile whorls missing

61
Q

imperfect flower

A

flower with 1 or more fertile whorls missing

62
Q

fruit

A

mature ovary of a flower

63
Q

simple fruit

A

develops from a single carpel of one flower

64
Q

aggregate fruit

A

developed from a single flower that has more than one carpel

65
Q

accessory fruit

A

fruit derived from tissues other than the ovary

66
Q

pericarp

A

ovary wall in fruit

67
Q

chitin

A

polysaccharide found in arthropod exoskeletons and fungal cell walls

68
Q

glycogen

A

storage carbohydrate in animals and fungi

69
Q

clamp connection

A

a bypass formed during cell division in basidiomycetes that aids distribution on nuclei

70
Q

ascus (asci)

A

a structure within the fruiting body where spores are formed during sexual reproduction

71
Q

cleistothecium

A

ball-shaped ascocarp

72
Q

perithecium

A

flask-shaped ascocarp

73
Q

apothecium

A

cup-shaped ascocarp (bears asci)

botany 105 vocab final (1 decks)

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