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The Life of a Plant

Structure and Function

Nutrition and Transport

Control Systems

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Structure and Function

A. Cellular

B. Tissues

C. Organs

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A. Cellular

1. Cell wall composed of cellulose

2. Chloroplasts and large centralvacuole_ 

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3. Cell types

a. parenchyma

b. collenchyma

c. sclerenchyma_ 

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B. Tissues

1. Epidermis- covers & protects

2. Vascular- transports(tracheophytes only)

a. xylem- water & minerals

b. phloem- sugars

3. Ground- support, storage,photosynthesis_ 

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1. Roots

a. absorb water andnutrients

b. anchor plant_ 

C. Organs

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2. Stems

a. support leaves

b. transport food andwater/nutrients_ 

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3. Leaves

a. site of photosynthesis

b. waxy cuticle - epidermis

c. stomata_ 

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4. Seeds

a. protect (seed coat) andnourish (endosperm)developing embryo

b. embryo contains plumule

(epicotyl andcotyledons),hypocotyl, radicle_ 

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5. Flowers

a. attract pollinators

b sexual reproduction

6. Fruits

a. help disperse seeds_ 

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THE END

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a. Xylem

1. tracheid

2. vessel elements_ 

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b. Phloem

1. sieve tube members

2. companion cells_ 

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1. Transpiration ² Cohesion

root pressure

2. Pressure-Flow Hypothesis

source to sink

3. Turgor/osmotic pressure

hypertonic cells_ 

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1. Wood_ 

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1. Vegetative Propagation -asexual

a. stolons (runners)

b. layering

c.

cuttingd. grafting

e. tissue culture_