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Biol B1 Unit 1 > photosynthesis and plants > Flashcards

photosynthesis and plants Flashcards

1
Q

what is a heterotroph

A

organisms that have to eat other organisms for energy

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2
Q

what is an autotroph

A

organisms that can make their own food , like plants

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3
Q

what is the basics of photosynthesis

A

plants use solar energy to manufacture their own food

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4
Q

what do plants take to make glucose during photosynthesis

A

carbon dioxide

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5
Q

where does carbon dioxide enter through during photosynthesis

A

enters the leaves through the stomata (tiny holes) in the leaves

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6
Q

what is the equation for photosynthsis

A

6 CO2 + 6 H20 = C6 H12 O6 + O2

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7
Q

what does both photosynthesis and cellular respiration

A

plants

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8
Q

what does the products of photosynthesis become

A

the reactants of cellular respiration and vice versa

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9
Q

what type of energy is sunlight

A

kinetic energy

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10
Q

what are photons

A

energy packets made up of sunlight

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11
Q

how do photons move

A

in the form of waves

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12
Q

what does photon wave length =

A

the distance between crests

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13
Q

what is the bottom dip in the wave length called

A

trough

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14
Q

what is the top dip in the wave length called

A

crest

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15
Q

the shorter the wave length the more …

A

powerful the wave

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16
Q

the longer the wave length the ….

A

less powerful the wave

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17
Q

what is color

A

the visible light reflected by an object

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18
Q

what does the color white do

A

retracts all light outwards

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19
Q

what does the color black do

A

absorbs all light

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20
Q

the absence of light being reflected back is

A

black

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21
Q

what is all visible colors

A

white

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22
Q

what does normal colored shirts (not white or black) do

A

absorbs all other color lights but retracts the color that the shirt is

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23
Q

what is the stroma

A

jelly fluid that surrounds the thylakroid and granum

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24
Q

what should you think of thylakoid as

A

thin mints

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25
Q

what should you think of for granum

A

group of thin mints or pancakes

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26
Q

what are pigments

A

absorbs light energy

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27
Q

what is the main pigment found in plants

A

chlorophyll a

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28
Q

what does chlorophyll a do

A

absorbs all light but retracts green

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29
Q

what are some other examples of pigments

A

chlorophyll b and cartenoids

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30
Q

where is chlorophyll located at

A

in the thylakoids

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31
Q

how many steps of photosynthesis are there

A

2

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32
Q

what is the 1st step of photosynthesis

A

light dependent reactions

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33
Q

what happens during the 1st step of photosynthesis

A

light is captured and converted to chemical energy

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34
Q

where does photosynthesis occur at

A

in thylakoid

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35
Q

what does photosynthesis split

A

water molecule

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36
Q

what does photosynthesis create

A

ATP and NADPH

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37
Q

what does photosythesis make

A

glucose

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38
Q

what do cellular respiration break down

A

glucose

39
Q

what is the 1st step reactants in photosynthesis

A

light
water
ADP
NADP

40
Q

what are the products for the 1st step in photosynthesis

A

oxygen
ATP
NADPH

41
Q

what is the 2nd step for photosynthesis called

A

the calvin cycle

42
Q

where does the calvin cycle occur

A

in the stroma

43
Q

what does the calvin cycle do

A

regenerates the starting material with each turn and is the sugar factor within cholorplast

44
Q

what are the reactants of the calvin cycle

A

carbon dioxide
ATP
NADHP

45
Q

what are the products of the calvin cycle

A

sugar
NADP
ADP

46
Q

what is used for cellular respiration, cellulose, starch and other organic compounds

A

glucose or sugar

47
Q

what are plants important for

A

medicine
food
clothes

48
Q

what was the cause of the 1845-1852 Irish Potato Famine

A

1 million people starved and emigrated

49
Q

what part of the plant performs photosynthesis

A

leaf

50
Q

what part of the plant supports the entire plant

A

stem

51
Q

what are the 3 major transitions from algae to plants

A

gas exchange
support from stem and roots
the ability to withstand sun and protect itself from dehydration (prevent desiccation)

52
Q

what is the major functions of roots

A

anchor plants
absorb water and minerals from soil

53
Q

what are the 4 important parts of a plant

A

reproductive structure (flower or fruit)
leaf
stem
roots

54
Q

where does the gas exchange occur

A

in the stomata

55
Q

how does a plant prevent dessication

A

cuticle traps the water inside the plant to prevent dehydration

56
Q

how is a plant supported

A

via vascular tissues

57
Q

what is xylem and phloem

A

tubing that moves molecules

58
Q

pholem flows

A

down

59
Q

xylem flows

A

up

60
Q

what does modified roots do

A

anchor and stabilize
store nutrients
increases surface area to absorb more water and nutrients

61
Q

what does modified stems do

A

transport key molecules

62
Q

what does a runner stem do

A

spreads out far

63
Q

what does a rhizome stem do

A

store nutrients

64
Q

what does modified leaves do

A

grab, poke and attract

65
Q

what are the 4 major plant groups

A

bryophytes (moss)
pteridophytes (ferns)
gymnosperms (cone producers)
angiosperms (flower producers)

66
Q

what type of plants are angiosperms

A

flower producers

67
Q

what type of plants are gymnosperms

A

cone producers

68
Q

what type of plants are bryophytes

A

moss

69
Q

what type of plants are pteridophtes

A

ferns

70
Q

what order is the evolution of plants

A

algae –> bryophytes–> pteridophytes–> gymnosperms–> angiosperms

71
Q

what are the parts of a flower

A

filament
anther
petals
stigma
style
ovary
ovule
style
sepal
receptical

72
Q

what does anther make

A

pollen

73
Q

what does a filament hold up

A

the anther

74
Q

what does the petals do

A

protects the flower
provides color
attracts pollinators

75
Q

a petal is a modified

A

leaf

76
Q

what is a style

A

tube structure that holds the stigma but also concentrates the pollen to the ovary

77
Q

what does the ovary do

A

protects and holds the ovule

78
Q

what does the stigma do

A

holds on to the pollen

79
Q

what does the sepal do

A

provides structure to the petals before blooming

80
Q

what is the receptical

A

base of the flower and is the central location where everything converges

81
Q

the receptical is the basin

A

that supports the whole flower structure

82
Q

why is there flower diversity

A

flowers evolve based on pollinators they attract

83
Q

what is a perfect flower

A

flower that has both male and female parts in the same flower

84
Q

what is an imperfect flower

A

a flower that has male and female parts in 2 separate flowers

85
Q

how do flowers attract pollinators

A

visual
smell
UV
trickery

86
Q

what is the main attributes of bryophytes

A

produces spores

87
Q

what is the main attributes of pteridophtes

A

has vascular tissue

88
Q

what is the main attributes of gymnosperms

A

cone producers and breed on land through pollen

89
Q

what is the main attributes for angiosperms

A

fruit and flower producers and breed on land through seeds

90
Q

what are the male parts of a plant

A

stamen
anther
filament

91
Q

what is the female structures of a plant

A

carpel
stigma
style
ovule
ovary

92
Q

what part of a plant are neither male or female

A

petal
sepal
receptacle

93
Q
A

Biol B1 Unit 1 (17 decks)

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