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Biology (Bella) > Biology test 2 > Flashcards

Biology test 2 Flashcards

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1
Q

Primary function is to develop seeds

A

flower

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2
Q

produces pollen

A

Stamen

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3
Q

head of stamen

A

anther

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4
Q

base of the pistil

A

ovary

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5
Q

underdeveloped seeds

A

ovules

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6
Q

top of the pistil

A

stigma

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7
Q

flower that has all 4 main parts

A

complete flower

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8
Q

flower that lacks stamens

A

Pistillate

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9
Q

flower that lacks a pistil

A

Staminate

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10
Q

staminate and pistillate flowers on separate plants

A

dioecious

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11
Q

staminate and pistillate flowers on the same plant

A

monoecious

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12
Q

main factor affecting flowering

A

length of daylight (and night)

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13
Q

Three factors affecting flowering

A
  1. length of sunlight
  2. soil fertility
  3. temperature
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14
Q

fully ripened ovary

A

fruit

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15
Q

transfer of pollen from stamen to stigma

A

pollination

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16
Q

sweet liquid produced by flower

A

nectar

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17
Q

union of sperm and egg cell

A

fertilization

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18
Q

collective name for sperm and egg cells

A

gametes

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19
Q

reproduction involving egg and sperm cells

A

Sexual reproduction

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20
Q

occurs when the ovary grows larger and turns into a fruit

A

ripening

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21
Q

form from one flower with one pistil

A

simple fruit

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22
Q

outer fleshy layer and inner woody layer

A

drupe

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23
Q

juicy and fleshy throughout

A

berry

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24
Q

formed from one flower with several pistils

A

aggregate fruits

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25
Q

aggregate fruit ex

A

strawberry

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26
Q

form from multiple flowers

A

multiple fruit

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27
Q

multiple fruit ex

A

pineapple

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28
Q

seeds inclosed in a pod

A

legume

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29
Q

legume ex

A

peanut

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30
Q

dry fruit with wing-like structure attached

A

samara

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31
Q

outer fleshy layer with papery core

A

pomes

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32
Q

fruit of the grass family

A

grain

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33
Q

seed with thin shell

A

achene

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34
Q

seeds with hard shells

A

nuts

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35
Q

when something other than the plant disperses seeds

A

agent dispersal

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36
Q

when the plant disperses the seeds

A

mechanical dispersal

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37
Q

protective covering for the seed

A

seed coat

38
Q

part of the seed that develops into the root system

A

radicle

39
Q

part of the seed that develops into the shoot system

A

plumule

40
Q

period of inactivity

A

dormancy

41
Q

hormone that controls dormancy

A

abscissic acid (ABA)

42
Q

created 300 uses for the peanut and 100 for the sweet potato

A

George Washington Carver

43
Q

allows the plant to grow in length

A

bud

44
Q

where leaves have/are growing

A

node

45
Q

where last years growth stops and this years starts

A

bud scale scar

46
Q

openings in the bark

A

lenticels

47
Q

primary growth is growth in ______

A

length

48
Q

secondary growth is growth in ________

A

width

49
Q

found between the wood and bark

A

vascular cambium

50
Q

_____ is also called wood

A

xylem

51
Q

outer section of the woody stem

A

bark

52
Q

what the epidermis is replaced with in older plants

A

cork

53
Q

long, narrow cells that offer support

A

tracheids

54
Q

larger than tracheids, conduct sap

A

vessels

55
Q

found in the center of young woody stem

A

pith

56
Q

older, inner wood that doesn’t conduct sap

A

heartwood

57
Q

younger wood that conducts sap

A

sapwood

58
Q

produced by periods of faster and slower growth

A

annual growth ring

59
Q

outer covering of the monocot stem

A

rind

60
Q

mineral that rind contains

A

silica

61
Q

reproduction that doesn’t involve gametes

A

asexual reproduction

62
Q

when a person uses vegetative reproduction

A

propogation

63
Q

vegetative reproduction where a piece of a plant grows into a new plant

A

cutting

64
Q

vegetative reproduction where tissue is transplanted from one plant to another

A

grafting

65
Q

growing a plant from a single cell

A

tissue culturing

66
Q

when the scion is the bud

A

budding

67
Q

living portion in grafting

A

scion

68
Q

dead portion in grafting (receives scion)

A

stock

69
Q

growth response in a plant

A

tropism

70
Q

response toward sunlight

A

phototropism

71
Q

response toward gravity

A

geotropism

72
Q

response to water

A

hydrotropism

73
Q

response to touch

A

thigmotropism

74
Q

chemical messangers

A

hormones

75
Q

involved in tropisms

A

auxins (they’re a hormone)

76
Q

hormone responsible for ripening

A

ethylene

77
Q

onion is an ex of ____

A

bulb

78
Q

underground stem surrounded by leaves

A

bulb

79
Q

thick underground horizontal stem

A

rhizome

80
Q

rhyzome ex

A

ginger

81
Q

tuber ex

A

potato

82
Q

underground stem for storage

A

tuber

83
Q

thin horizontal above ground stem

A

stolon

84
Q

protective stem

A

thorn

85
Q

1 main stem

A

taproot

86
Q

mostly adventitious roots

A

fibrous roots

87
Q

long, finger-like projections (increase water absorption)

A

root hairs

88
Q

where (in the root) new cells are develped

A

meristematic region

89
Q

provides protections for the tip of the root

A

root cap

90
Q

mixing of molecules by random molecular motion

A

diffusion

91
Q

one way diffusion through a semipermeable membrane

A

osmosis

92
Q

upward movement through the xylem tubes

A

sap stream

Biology (Bella) (3 decks)

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