Tissues of Plants Flashcards

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1
Q

Angiosperm groups

A
  1. monocotyledon

2. dicotyledon

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2
Q

cell types

A
  1. parenchyma
  2. collenchyma
  3. sclerenchyma
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3
Q

tissue types

A
  1. dermal
  2. vascular
  3. ground
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4
Q

define autotroph

A

produces its own food source (self-feeder)

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5
Q

Main activities a plant must perform

A
  • transport of materials
  • seed production
  • food storage
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6
Q

why must materials be transfered?

A

to keep all parts of the plant alive

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7
Q

why is seed production important?

A

to continue the species

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8
Q

why is food storage important?

A

for the start of each new growing season

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9
Q

define cellulose

A

large polysaccharide molecule of glucose units that provides structure and support to the plant

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10
Q

how many cell walls do plants have?

A

2

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11
Q

the primary and secondary cells walls are categorized by

A

permeability and rigidity

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12
Q

the dermal tissue system is composed of

A
  • epidermis

- cork or bark

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13
Q

define epidermis

A

single outer layer of cells

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14
Q

define cork/bark

A

several layers of empty cell wall “bricks”

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15
Q

the vascular tissue system is composed of

A
  • phloem
  • cambium
  • xylem
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16
Q

function of phloem

A

carry food solution from leaves

17
Q

function of cambium

A

production of more cambium, phloem, and xylem cells

18
Q

function of xylem

A

carry water and minerals up to leaves and other plant parts

19
Q

location of phloem

A

outside of the stem root or shoot

20
Q

location of xylem

A

inner side of the cambium layer

21
Q

the ground tissue system is composed of

A

pith and cortex

22
Q

define pith

A

the central core of tissue in most plants

23
Q

function of cortex

A

stores food, water and minerals and replaces or adds to outer covering

24
Q

define angiosperms

A

flowering plants

25
Q

define monocotyledons

A

single food storage organ in the seed

26
Q

define dicotyledons

A

2 food storage organs in the seed

27
Q

examples of monocots include

A

grasses, grain crops, bulb, corn, rhizome plants

iris plant, onion

28
Q

examples of dicots

A

most flowering plants, shrubs, trees

strawberry plants, carrots

29
Q

define parenchyma cells

A

responsible for most metabolic function in plants

thin primary cell wall NO secondary cell wall

30
Q

define collenchyma cells

A

function in supporting growing parts

thick primary cell wall NO secondary cell wall

31
Q

define sclerenchyma cells

A

function in supporting the plant

rigid secondary cell walls hardend with lignin

32
Q

define tracheid’s

A

specialized cells that function to conduct water and provide support

33
Q

vascular bundles consist of the

A

phloem, xylem, cambium