Plant't Tisuue

7/31/2019 Plant't Tisuue

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Plant Tissue

SMA N 3 SEMARANG


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Based on the form, there are two kinds such as:

1. Meristemtissue

There are tree groups:

a. Promeristem tissue

b. Primer meristem

c. Secunder meristem

2. Permanent tissue

There are four groups:

a. Epidermis tissueb. Parenckim tissue

c. Suported tissu

d. The transported tissue

Plants Tissue


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EPIDERMIS TISSUE

The outer cell layer

Consists of single cell

Tightly arranged

Found in roots, stem,

leaves, fruits and seeds

The function is for the

organ covered by it


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Elodea meristem (rapidlydividing cell region)

Longitudinal section, l.s.


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Leaf epidermis structure

Greener on top

CO2 gets inhere


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Modifications and Functions

Root hair.absorbs water and minerals.

Wax and cuticles

minimalize water loss.Stomata closing cell.

controls gas exchange.

Foam tissue.expands the power for protection.


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Parenchyma's TISSUE

Main basic cell

Polihydral.

Thin walls.

Inter cell room.

Has big vacuoles, theprotoplasm can multiply.

Some has chlorophyll(chlorenchyma)

Found in all parts of plants


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Collenchyma's Tissue

The protoplast cannotmultiplyDoesnt have secondary wallThe primary wall is thin andflexible.Found in primary tissue.

Supports the stems andleaves in growing stage.In old plants it becomessclerenchyma cell.


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SCLERENCHYMA

TISSUE

CHARACTERISTICS :

The basic tissue.

The main component of cell wall.

Supports and Protects the body.


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Sclerenchyma

The cells are long, slim and has sharp point.The wall is thin and flexible.

Found in stems, leaves and flowers.Reoriented the plants.

SclereidShort .Has various shapes and forms.

Star supports and protects the plants.Rectangular protects the embryo when it falls and floats.Gives the specific characteristic in the flesh of fruit.

Sclerenchyma

Fiber Sclerenchyma Sclereid


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Structure of sclerenchyma


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1. XYLEM : A group of cells that form a cylinder.

Straw Elements :

Extended formation on the point and the end.Holes are found on both points.

Flows water and minerals.

Tracheid:

A long and sharp single cell.Holes are found on the cell wall.

Water and minerals pass through it.

2. PHLOEM: transportation tissue which consists of some

components of tapis straw which distributes the products of

photosynthesis.


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The Plants Organ

The plants organ : a group of tissues

joining together to do centain task onactivity.

There are four group :

1.Root2.Stem

3.Leave

4.Flower

5.Fruit

6.seed


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Roots function and structure

Functions:

Absorbs water and minerals

Support the body

Storage for food

Transports the minerals from soil


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TRANSPORTATION TISSUE

XYLEM PHLOEM

TRACHEID

STRAW ELEMENTS

PhloemXylem


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Stucture of anatomy root


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Stem

Functions:Absorbs water and minerals

Support the body

Storage for foodTransports the minerals from soil


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Structure of anatomy


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Leaves

Functions:

place where the process of

photosynthesis happenevaporation station

gas exchange


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Leaf structure

Greener on top

CO2 gets inhere


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Leaves


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Leaf diagram palisade layer

CO2

Mostchlorophyll


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Structure

Wide

Helps to catch more light

energy

Thin

Help get carbon dioxide

from bottom to top ofleaf for photosynthesis


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Stoma is a small hole

Its size is controlled by 2 guard cells

closed open


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Stoma function is for gas exchangein the leaf

Carbondioxide

oxygenGuard

cell

Provided plant isphotosynthesising


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Stomata open and

close at different

times of the day

When it is light the

plant needs CO2 forphotosynthesis so

the stoma open

At night (darkness)

they close


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Gas exchange


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Wheat seed

Root hairsFragile parts of

cells that grow

from the main root

They massivelyincrease the

surface area for

absorption


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CORTEX

Placed between

epidermis and stele.

Consists of

parenchymas andcollenchyma's cells

CORTEX


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STELE

Consists of:

Transportation tissue.

Empulur

Pericambium.

Jari-jari empulur.

stele


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flowers

Structure of Flower

petal

crownbenang sari

putik


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Seed


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