stems& leaves Flashcards

1
Q

an area on stem where leaf (or leaf scar) and axillary bud located

A

node

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2
Q

are on stem between nodes

A

internode

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3
Q

a bud located just above node

A

axillary bud

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4
Q

what are the function of stems

A

support leaves
photosynthesis
storage
transport

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5
Q

area on stem between nodes

A

internode

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6
Q

leaf fell off here

A

leaf scar

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7
Q

at the tip of the stem

A

terminal bud

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8
Q

where the vein went into the leaf

A

vascular bundle scar

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9
Q

gas exchange

A

lenticel

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10
Q

where bud scales fell off

A

bud scale scars

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11
Q

located on side of stem in axii

A

axillary bud

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12
Q

leaf or leaf scar + axillary bud

A

node

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13
Q

the vascular bundles in monocots are

A

scattered

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14
Q

the vascular bundles in dicots are

A

arranged in a ring

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15
Q

which has no vascular cambium and no secondary growth

A

monocots

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16
Q

when the vascular cambium in dicots becomes active, it produces

A

phloem to the outside

xylem to the inside

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17
Q

which does a tree produces more of:

A

Secondary xylem

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18
Q

each year of growth in a tree is called

A

growth rings (annual rings)

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19
Q

heartwood

A

inner ring

20
Q

sapwood

A

outer ring-closet to vascular cambium

21
Q

what 3 things make up bark?

A

inner bark, cork cambium, outer bark

22
Q

what makes inner bark?

A

produced by vascular cambium

23
Q

what makes outer bark

A

produced by cork cambium

24
Q

one year’s growth of wood

A

annual ring

25
Q

large wood cells

A

spring wood

26
Q

periderm

A

cork

27
Q

produces outer bark

A

cork cambium

28
Q

small wood cells

A

summer wood

29
Q

what forms the dermal tissue in leaves?

A
stomata
trichomes
guard cells
epidermis
cuticle
30
Q

there are two kinds of cells that makes up the ground tissue in leaves

A

palisada mesophyll

spongy mesophyll

31
Q

spongy mesophyll

A

is involved in gas exchange

32
Q

palisada mesophyll

A

is involved in light absorption

33
Q

what is the vascular tissue commonly called in leaves

A

veins

34
Q

name 3 resons why leaves are thought to turn red in fall

A

trap sugars
protective
sunscreen

35
Q

dicot venation

A

netted

36
Q

outer covering of plant

A

epidermis

37
Q

control gas and water exchange

A

guard cells

38
Q

columnar cell; light aborption

A

palisada mesophyll

39
Q

leaf

A

blade + petiole

40
Q

pore or opening

A

stoma

41
Q

leaflets arise from central point

A

palmately compound

42
Q

loosely packed cells; gas exchange

A

spongy mesophyll

43
Q

monocot venation

A

parallel

44
Q

leaflets in pairs

A

pinnately compound

45
Q

waxy coating to prevent water loss

A

cuticle