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Plant diversity Flashcards

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Biology 101 flashcards
1
Q

taxon including plantae and charophytes

A

streptophyta

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2
Q

polymer layer prevents exposed charophyte zygotes from drying out and present in plant spores

A

sporopollenin

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3
Q

group of microtubules that forms the start of the cell wall during division

A

phragmoblast

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4
Q

plant group

A

embryophytes

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5
Q

clusters of sporangia in ferns

A

sori

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6
Q

cone shaped structures in many lycophytes and in most gymnosperms

A

strobilli

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7
Q

Phylum of liverworts

A

Hepatophyta

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8
Q

Phylum of hornworts

A

Anthoceratophyta

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9
Q

Phylum of mosses

A

Bryophyta

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10
Q

Phylum of lycophytes

A

Lycophyta

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11
Q

Phylum of ferns and allies

A

Monilophyta

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12
Q

Phylum of ginkgo

A

Ginkgophyta

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13
Q

Phylum of cycads

A

Cycadophyta

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14
Q

Phylum of Gnetophytes

A

Gnetophyta

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15
Q

Phylum of Conifers

A

Coniferophyta

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16
Q

Phylum of flowering plants

A

Anthophyta

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17
Q

Spore type of clubmosses

A

Homosporous

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18
Q

Spore type of quillworts

A

Heterosporous

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19
Q

Spore type of spikemosses

A

Heterosporous

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20
Q

Spore type of ferns

A

Mostly homosporous

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21
Q

Grouping of horsetails

A

Anthrophyta

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22
Q

Spore type of horsetails

A

Homosporous

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23
Q

Spore type of whisk ferns and allies

A

Homosporous

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24
Q

Global genus of Whisk Ferns

A

Psilotum

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25
Q

South pacific genus of Whisk Ferns

A

Tmesipteris

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26
Q

Moss haploid spores develop into this

A

Protonemata

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27
Q

on upper part of moss capsule; ring of interlocking, tooth-like structures

A

Peristome

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28
Q

Sporophytes have a short seta (stalk) with an oval or round capsule elevated on gametophyte “trees”

A

liverwort

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29
Q

liverworts with flattened gametophytes

A

thalloid liverwort

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30
Q

stemlike gametophytes have many leaflike appendages

A

leafy liverwort

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31
Q

sporophyte lacks a seta and is only sporangium

A

hornwort

32
Q

compounds in moss cell walls absorb damaging levels of UV radiation present in deserts or at high altitudes

A

phenolics

33
Q

compounds that help prevent decay

A

phenolics

34
Q

two types of sporangia in heterosporous plants

A

Megasporangia and microsporangia

35
Q

leaves bearing megasporangia

A

megasporophylls

36
Q

leaves bearing microsporangia

A

microsporophylls

37
Q

two types of gametangia

A

antheridia and archegonia

38
Q

3 genuses in Gnetophyta

A

Gnetum, Ephedra, and Welwitschia

39
Q

South African Gnetophyta

A

Welwitschia mirabilis

40
Q

drug produced by Ephedra

A

ephedrine

41
Q

Double fertilization produces two zygotes

A

Gnetophyta

42
Q

Oldest Bristlecone pine and oldest tree

A

Methuselah

43
Q

Two cells of male angiosperm gametophyte

A

generative cell and tube cell

44
Q

Double fertilization produces one zygote

A

Anthophyta

45
Q

Integument + megasporangium + megaspore

A

ovule

46
Q

opening to megasporangium

A

micropyle

47
Q

cells on female angiosperm gametophyte opposite the micropyle

A

antipodal cells

48
Q

cells on female angiosperm gametophyte flanking the egg cell

A

synergids

49
Q

nuclei in central cell of female gametophyte

A

polar nuclei

50
Q

ploidy of endosperm

A

triploid

51
Q

two parts of stamen

A

anther and filament

52
Q

three parts of carpel

A

stigma, style, and ovary

53
Q

single carpel

A

simple pistil

54
Q

two or more fused carpels

A

compound pistil

55
Q

fruit flesh

A

pericarp

56
Q

pericarp derived from what structure

A

ovary wall

57
Q

3 Basal angiosperms

A

Amborella, water lilies, and star anise and relatives

58
Q

includes orchids

A

monocots

59
Q

includes laurels

A

magnoliids

60
Q

includes black pepper plants

A

magnoliids

61
Q

includes strawberries

A

rosaceae

62
Q

includes Apple and pear trees

A

rosaceae

63
Q

includes peas and beans

A

legumes

64
Q

spiral rather than whorled arrangement of floral organs

A

magnoliids

65
Q

veins usually netlike

A

eudicots

66
Q

veins usually parallel

A

monocots

67
Q

vascular tissue arranged in rings

A

eudicot

68
Q

vascular tissue scattered

A

monocots

69
Q

fibrous root system

A

monocots

70
Q

taproot system

A

eudicots

71
Q

pollen grain with three openings

A

eudicots

72
Q

pollen grain with one opening

A

monocots

73
Q

floral organs in multiples of three

A

monocots

74
Q

floral organs in multiples of 4 or 5

A

eudicots

75
Q

maize originally was this

A

Teosinte

Bio (23 decks)

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