AngiospermsAngiosperms

Covered Seed Plants

Nonvascula rW ater

Nonvascula rL and

S eedless

G ym nosperm s

M onocots D icots

A ngiosperm s

S eedbearing

V ascula rL and

Plant K ingdom

Comparison of Monocots and Dicots

Go to color plate

Root PatternsRoot Patterns

MonocotsMonocots DicotsDicots

General Shape of LeafGeneral Shape of Leaf

Monocot Dicot

Monocot or Dicot? Why?Monocot or Dicot? Why?

Dicot

Bundles in a ring

Monocot or Dicot? WhyMonocot or Dicot? Why

Monocot

Veins are parallel

General leaf shape

Monocot or Dicot?Monocot or Dicot?

Monocot

Bundles Scattered

Monocot or Dicot? Why?Monocot or Dicot? Why?

Dicot

Flower parts in 4’s or 5’s

Monocot or Dicot? Why?Monocot or Dicot? Why?

Dicot

2 seed leaves

Monocot or Dicot? WhyMonocot or Dicot? Why

Monocot

Flower parts in 3’s

Monocot or Dicot? WhyMonocot or Dicot? Why

Dicot

Veins are branched

Monocot or Dicot? Why?Monocot or Dicot? Why?

Dicot

Root is a taproot

Monocot or Dicot Why?Monocot or Dicot Why?

Monocot

1 seed leaf

Monocot or Dicot Why?

Monocot

Fibrous roots

Plant SystemsPlant Systems

11

22

P l a n t P l a n t OrgansOrgans

P l a n t P l a n t OrgansOrgans

R o o t sR o o t s

S t e m sS t e m s

L e a v e L e a v e ss

R o o t sR o o t s

S t e m sS t e m s

L e a v e L e a v e ss

Go to 12.2

Then worksheet

Tissue Organization

Meristematic

Dermal Ground Vascular

Meristematic TissueMeristematic Tissue

• Undifferentiated – unspecialized

• Only tissue capable of cell division

2 General Types

A. A p i c a l – at the tips

&B. L a t e r a l –

down the sides

2 General Types

A. A p i c a l – at the tips

&B. L a t e r a l –

down the sides

Apical Apical

Primary Growth – growth in length

LateralLateral

Secondary Growth – growth in diameter

Plant GrowthPlant Growth

• ANNUALS -  plants which grow flowers, produce seeds, and die in one year.

• BIENNIALS - plants which take two years to grow, flower, produce seeds, and die.  – the first season they grow roots, stems, and

leaves– the second season that they produce flowers

and seeds.

Plant GrowthPlant Growth

• PERENNIALS - plants that live for more than two years.

• Trees and shrubs make up most of this category

Special MeristemsSpecial Meristems

Go to Color Plate

Simple TissueSimple Tissue

One Type of Cell:One Type of Cell:

Dermal & GroundDermal & Ground

Dermal TissueDermal Tissue

Broad and Flat

Cover & Protect

Ground TissueGround Tissue

See worksheet

CollenchymaCollenchyma

Flexible - support

SclerenchymaSclerenchyma

Rigid - support

ParenchymaParenchyma

Mostly Storage

Some photosynthesis

Color Code Simple Tissues:Color Code Simple Tissues:

• A-green; B-black; A-green; B-black;

• C-pink; D-gray; C-pink; D-gray;

• E & E1 -green; E & E1 -green;

• F- Red; G- none; F- Red; G- none;

• H-blue; I- light brown; H-blue; I- light brown;

• J- purple; K-dark brown; J- purple; K-dark brown;

• L-none; M- orangeL-none; M- orange

Complex TissueComplex Tissue

More than 1 type of cell:More than 1 type of cell:

VascularVascular

......................................

V a s c u l a r V a s c u l a r

T i s s u e sT i s s u e s

V a s c u l a r V a s c u l a r

T i s s u e sT i s s u e s

Color Code Complex Tissues:Color Code Complex Tissues:

• XylemXylem:: Phloem* - Yellow

• A – red; B- orange

• CDEFGG1 – any colors

• PhloemPhloem: Xylem* - red;

• A- yellow; B-orange

• DEFGG1-any colors