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Ap Bio > Ap Bio 8/28 > Flashcards

Ap Bio 8/28 Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

a stem consists of..

A

nodes and internodes

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2
Q

what is an internode

A

the point in between two nodea

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3
Q

what is a node

A

the point the leaves are attatched at

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4
Q

what is an axillary bud

A

structure that has the potential to form a lateral shoot or branch

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5
Q

what is a terminal bud

A

structure located near the shoot tip and causes elongation of a young shoot

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6
Q

what do taproots do

A

they anchor in the soil and look for water

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7
Q

what is the main photosynthetic organ of most vascular plants

A

the leaf

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8
Q

what do leaves generally consist of

A

a flattened blade, a stalk, and the petiole

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9
Q

what does the petiole do

A

join the leaf to a node of the stem

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10
Q

what type of veins do monocots have

A

parallel

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11
Q

what type of veins do dicots have

A

branching veins

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12
Q

angiosperms…

A

produce flowers, have seeds, and are vascular

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13
Q

what does the xylem carry and in which direction

A

carries water up

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14
Q

what does the phloem carry and in which direction

A

carries sugar and down

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15
Q

dermal tissues protect. true or false

A

True

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16
Q

vascular tissues transport. true or false

A

true

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17
Q

when does the stomata open

A

at night

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18
Q

dermal tissue consists of…

A

epidermus and periderm

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19
Q

vascualar tissue consists of…

A

xylem abd phloem

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20
Q

ground tissue includes…

A

various cells for storage, photosynthesis, and support

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21
Q

what is a plant characterized by?

A

cellular differentiation and the specialization of cells in structure and function

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22
Q

what do some of the major types of plant cells include

A

parenchyma, collenchyma, and sclerenchyma

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23
Q

parenchyma

A

does photosynthesis, has chloroplast, and chlorophyll

24
Q

collenchyma have…

A

no lignin

25
Q

sclerenchyma have…

A

lignin plus secondary wall

26
Q

what are the two types of xylem cells

A

vessel and tracheids

27
Q

tracheids have pits that…

A

allow water to flow through

28
Q

sieve plates have openings for…

A

sugar to pass through

29
Q

what do meristems do

A

generate cells for new organs

30
Q

where are apical meristems located

A

at the tips of roots and buds in the shoots

31
Q

primary growth grows in which direction

A

up and down

32
Q

secondary growth grows in which direction

A

side to side

33
Q

annual is

A

1 year

34
Q

biennial lasts

A

2 years

35
Q

perenials last

A

many years

36
Q

what types of tissue are meristems

A

embryotic tissue

37
Q

lateral meristems

A

add thickness to woody plants (lignin plus secondary wall) through secondary growth

38
Q

in woodg plants…

A

primary and secondary growth occur simultaneously but in diff locations

39
Q

what does primary growth lengthen

A

roots and shoots

40
Q

what does primary growth produce

A

primary plant body, parts of the root, and shoot systems produced by apical meristems

41
Q

what does the root cap protect

A

apical meristems

42
Q

the root tip is covered by…

A

a root cap

43
Q

what does the primary growth of roots produce?

A

epidermus, ground tissue, and vascular tissue

44
Q

procambrium gave rise to…

A

vascular

45
Q

protoderm gave rise to…

A

dermal

46
Q

the procambrium is also the…

A

stele

47
Q

shoot apical meristems are

A

a dome shaped mass of dividing cells at the tip of a terminal bud

48
Q

shoot apical meristems give rise to?

A

repitition of internodes and leaf barring nodes

49
Q

the vascular bundles are arranged in rings in…

A

gymnosperms and most eudicots

50
Q

dicot stems are crowded or loose

A

crowded

51
Q

monocot stems are crowded or loose

A

loose

52
Q

the stomata is always going to be where on the leaf?

A

at the bottom

53
Q

what is transpiration

A

water loss evaporation of a plant

54
Q

where is the ground tissue in a leaf?

A

sandwiched between the upper and lower epidermus

55
Q

the epidermal barrier of leaves is…

A

interupted by the stomata which allows co2 exchange between the surrounding air and photosynthetic cells within a leaf

Ap Bio (3 decks)

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