tissue Flashcards

(33 cards)

1
Q

Types of Plant Tissue

A

Meristematic
Tissue
Dermal
Tissue
Ground
Tissue
Vascular
Tissue

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2
Q

Meristematic
Tissue

A

Tissues that have the
ability to enlarge,
stretch and differentiate
into other types of cells
as they mature

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3
Q

meristematic func

A

plant growth (lenth or width), actively dividing cells

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4
Q

ndifferentiated cells:

A

do not have unique functiond YET, when matures, becomes permanent tissue

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5
Q

meristematic physical

A

Small, equal shaped cells, compact
With cell cytoplasm, latge nucleus
Thin cell walls

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6
Q

Apical meristem

A

tip of shoot/root system, found at apex, for growth of shoot, and producing root cells and growth of root top

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7
Q

Lateral

A

growth in width and diameter of stems, rooots

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8
Q

types of lateral

A

vascular combium, produces secondary xylem or wood and secondary phloem or bark like tissue
Cork cambium: produces outer protective layer of bark

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9
Q
A
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10
Q

Primary meristem:

A

apical

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11
Q

Secondary:

A

lateral

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12
Q

Intercalary meristem

A

base of leaves, to contribute primary growth by increasing stem nad leaf lengeth, enables plants rapid growth after bring cut

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13
Q

types

A

Simple: parenchyma cells or parenchyma tissue, collenchyma and sclerenchyma,
Complex: xylem and phloem.

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13
Q

Permanent:

A

other, like protection/storage/absorbtion, made of differenciated cells
When mature, specialized function

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14
Q

Dermal

A

Covers the plant and can be
found on the outer layer of
roots, stems and leaves.

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15
Q

dermal func

A

transpiration, gas exchange
and defense.

16
Q

dermal has

A

cuticle (waxy on leaves and stem to waterproof and protect, prevents excessive water loss

17
Q

each stoma bordered by

A

2 gaurd cells that controls opening of pore size by using turgor pressure which allows balance of need of co2 and conservation of water

17
Q

tiny opening in leaves nad stems that helps regulate gas exchange

A

stomata(co2 for photosynthesis and water vapor for transpiration.)

18
Q

root hairs:

A

increase surface area of water and nutrient for absorbtion,

19
Q

epidermal hairs called trichomes :

A

f

trichomes
or defense of microorganisms that will invade the plant, reduce water loss,
Helps transpiration

20
Q

Ground Tissue

A

Carries out different functions
based on the cell type and
location in the plant, including
photosynthesis, structural
support for the stem and the
vascular tissue, and storage for
water and sugars

21
Q

types of ground

A

parenchyma:
collenchyma: l
Sclerenchyma

22
Q

parenchyma

A

most abundant, living cells, thin flexible cell walls, metabolic functions like photosyntheiss and food storage

23
collenchyma
lving cells, unevenely thickened cell walls, flexible support in young growing stem and leaves,
24
Sclerenchyma
Thick lignified food. It is comprised with lignin(a protein that helps with the structure of the plant), provides regidity and structure support, nonliving when mature, NOT flexible, more external factors, when matures becomes woody
25
Upper ground
Upper:dermal tissue, below that is mesophyll, site of photosynthesis , vascular, ground tissue
26
vascular
transport of nutrients, plumbing system.
27
vas func
allows water, minerals, and dissolved sugars from photosynthesis to pass through roots, stems, leaves, and other parts of the plant
28
xylem vs phloem
Xylem: trnasports water and dissolved minerals from roots, one way flow: absorb frombroots to up Phloem: transports sugar and organic substances, 2 way flow from root to up up to root etc
29
arrangement of x p
Areanged in vascular bundle which clusters the 2
30
above ground, for photosynthesis ): leaves, stem, reproductive organs like flowers or fruits
shoot system
31
below ground: abosb minerals, anchors plant
Root system