Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Pbio 3080 Ohio University > test 3 > Flashcards

test 3 Flashcards

1
Q

what is a microphyll?

A

a small leaf on big leaf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is a megaphyll?

A

a big leaf

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what is an enation?

A

a small extension of a leaf, this will continue to become a microphyll

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

enations have a single/double vascular trace

A

single

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

megaphylls have evolved at least_____Times!

A

Four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what are tendrils?

A

tendrils are derivatives of leaves or stems that attatch to other surfaces and support the plant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

the way to tell how a tendril formed is from what?

A

the buds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

cladophylls, what are they?

A

they are leaf-like branches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

cacti don’t have leaves they have…

A

cladophylls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what are thorns?

A

modified branches that arise from the leaf axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

do cacti have thorns?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

the thorn arises from what?

A

the auxillary bud

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

spines are what?

A

a dry, har, nonphotosynthetic, modified leaf that pokes stuff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

are spines on cacti?

A

yes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the apical meristems in cactus that make spines are called what?

A

areoles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what are prickles!?

A

small, slender, and sharp outgrowths from the cortex, periderm, and epidermis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

are prickles associated with nodes?

A

no

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what organ are tubers modified from?

A

the stem

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what are tubers?

A

tubers are modified stems that are used for energy storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what are the “eyes” of potato?

A

axullary buds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what are rhizomes?

A

underground stems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what are stolons?

A

stems that grow along the soil surface and asexually reproduce

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

fragaria is what?

A

strawberry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

bulbs are what?

A

stems surrounded by fleshy leaves?

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

what are corms?

A

a storage stem.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

what is a hypocotyl?

A

the stem like area that is situated below the cotlyedons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

what is a prop root?

A

a root that props a plant above the ground

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

what are myrosin cells?

A

cells that protect plants by having a seperation of two chemicals (glucosinolate) and (myrosin) these combine when eaten and then create a “burning” sensation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

what are stinging hairs?

A

trichomes that when they penetrate the skin and breaks, then they inject shit into you

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

what is the important chemical in stinging hairs?

A

histamine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

what are nectaries?

A

glands that produce nectar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

what are the key ingrediants in nectar?

A

sucrose, glucosse, and fructose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

what are the two main types of nectaries?

A

floral nectaries and extrafloral nectaries

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

T/F Gymnosperms have nectaries

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

in angiosperms there are nectaries in_________

A

the petals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

in monocots nectaries are associated with what structures?

A

tepals, septals, perigonal nectaries and widespread.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

what is a septum?

A

a division in the carpel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

where are nectaries?

A

in the septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

T/F trichomes cannot secrete nectar

A

False

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

what are sporophytes?

A

plants that make spores in sporangia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

gametophytes are what?

A

plants that make gametes in archegonia and antherdia.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

what are archegonia?

A

a structure that makes an egg.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

what are antheridia?

A

a structure that makes sperm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

what are embryophytes?

A

plants that have an embryo

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

what are tracheophytes?

A

plants that have tracheary elements

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

what are spermatophytes?

A

plants that have seeds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

what are anthercerotophyta?

A

the hornworts

48
Q

T/F plant sperm can’t move just like fully grown plants.

A

False

49
Q

what is the foot of the sporophyte?

A

an organ that is embedded into the maternal tissue and connects the sporophyte and the gametophyte

50
Q

what do the sporangia do?

A

make spores

51
Q

what is the difference of gametophytes and sporophytes?

A

sporophytes do not need sexual reproduction

52
Q

in hornworts how do spores get released?

A

the sporangium is slowly “unzipped” and revealed until all the spores fly out.

53
Q

what does the foot do for a sporophyte?

A

it sequesters resources from the rest of the plant and moves it into the gametophyte.

54
Q

what are paraphysis?

A

sterile structures at the top of the gametophyte and protect the develping gametes

55
Q

what is a capsule?

A

a form of a sporangium with a jar and cap

56
Q

what is the operculum?

A

the cap of a capsule sporangium

57
Q

what is the peristome?

A

the teeth of a toothed sporangium

58
Q

what is an archagoniaphore?

A

a structure that bears archigonia

59
Q

what is an antheridiaphore?

A

a structure that holds antheridia

60
Q

what are elaters?

A

structures that twist up and then release their pressure to force out spores

61
Q

lycopodiaceae are what?

A

homosporus

62
Q

what is homospory?

A

all the sproes are the same

63
Q

what is heterospory?

A

spores are different

64
Q

what plants are homosporus?

A

ferns, equisetophytes, some lychophytes (ancestral)

65
Q

what plants are hetersporous?

A

few ferns, some lycophytes, and seed plants

66
Q

what is a microspore?

A

a spore that develops into a microgametophyte

67
Q

what is a megaspore?

A

a spore that develops into a megagametophyt

68
Q

T/F Lycophytes require an aquatic habitat to reproduce

A

False

69
Q

what are the two clades of ferns?

A

the eusporangiate and the leptosporangiate ferns

70
Q

most ferns are ____sporous?

A

homosporus

71
Q

ferns disperse spores how?

A

by flinging them with the sporangia

72
Q

what is a false indusium?

A

a fold over of the leaf that covers/holds spores

73
Q

what is a tubular indusia?

A

an indusia that is formed on stalks

74
Q

what is an indusia?

A

a thin membrane covering that covers the sorus on a fern.

75
Q

the prothallus is what?

A

a gametophyte

76
Q

archegonia and antheridia mature at different rates to brevent what?

A

intragametophytic selfing

77
Q

monilophyte sperm need what to complete the life cycle?

A

water

78
Q

what is the alternation of generations?

A

the alternation of sporophyte to gametophyte and back in plant life cycles

79
Q

does the life cycle of a plant, on a fundamental level ever drastically change?

A

no

80
Q

in the life cycle of a plant what two stages are there?

A

sporophytic and gametophytic

81
Q

what is the creation of the zygote called?

A

fertilization

82
Q

in seed plants the spores germinate into what?

A

seeds

83
Q

out of the 4 megaspores how many are going to continue on?

A

1

84
Q

where does the sporophyte get its nutrients inside a tree?

A

the gametophyte (seed coat)

85
Q

what is the main (large structure) “phytage” of a seed plant?

A

a sporophyte

86
Q

mieosis always produces what?

A

spores

87
Q

what is the order of parts in the carpel?

A

the stigma on top, the stlye next (stalk), then the ovary

88
Q

what is the order of parts on a stamen?

A

the anther then the filament

89
Q

what is the order of the sepals and petals?

A

petals then sepals

90
Q

what is the order of floral whorls?

A

carpel, stamen, petal, sepal.

91
Q

what is at the base of the flower?

A

the recepticle

92
Q

the parianth is what?

A

the non reproductive structures of a flower (the sepals and petals)

93
Q

what are petals and sepals called if you cannot tell which is a petal and which is a sepal?

A

a tepal

94
Q

what is the callyx?

A

the collection of sepals

95
Q

what are sepals?

A

a member of the outwer whorl (calyx) of a flower

96
Q

what is the corrola?

A

the car….nah its the whorl if petals

97
Q

what are petals?

A

the inner whorl of non fertile parts surrounding the fertal organs of a flower, suaually soft in texture and colored conspicuously

98
Q

petals have evolved more than once, from what organs did they evolve?

A

from sepals the first time and from stamens the second time

99
Q

stamen have how many vascular bundles?

A

1

100
Q

sepals have how man vascular bundles?

A

5

101
Q

what is a fused corolla?

A

petals that are all one petal that cups

102
Q

what is extrorse anther?

A

pollen ont he outside

103
Q

what is an introrse anther?

A

pollen in the inside

104
Q

what is a latrorse anther?

A

pollen laterally

105
Q

what is porisidal anther?>

A

it opens up and releases the pollen

106
Q

what are the main five parts of pollen?

A

the apertures, the exine, the intine, the generative cell an d vegetative cell

107
Q

what are aperatrues?

A

the place where the pollen tube will emerge and the response to the environment.

108
Q

what is exine?

A

a wall constructed of sporopollenin

109
Q

what is an intine?

A

a wall composed of cellulose and pectin

110
Q

what is a generative cell?

A

a cell that gives rise to two sperm cells

111
Q

what is a vegetative cell?

A

acell that produces pollen tubes

112
Q

what are staminodes?

A

infertile stamens

113
Q

what is pseudanthium?

A

inflorescence of many flowers that acts as a single attractive unit.

114
Q

asteraceae are called what?

A

composites

115
Q

what are “composite” flowers?

A

a plant that consists of many flowers.

116
Q

each individual flower in a composition flower is called a florett,

A

Pbio 3080 Ohio University (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions