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Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A. Importance of primary growth B. Root cap C. Root hairs and branches 1. root hairs 2. branching III. Inside roots A. Primary tissues 1. epidermis 2. cortex 3. vascular tissues 4. endodermis 5. pericycle B. Secondary tissues
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Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

Dec 19, 2015

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Page 1: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

Roots I. Root characteristics

A. Functions B. Root systems

1. fibrous root systems2. tap root systems

C. Food storageD. Examples

II. Root growthA. Importance of primary growthB. Root capC. Root hairs and branches

1. root hairs2. branching

III. Inside rootsA. Primary tissues

1. epidermis2. cortex3. vascular tissues4. endodermis5. pericycle

B. Secondary tissues

Page 2: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

I. Root characteristicsA. Functions B. Root systems

1. fibrous root systems2. tap root systems

C. Food storage

Water and minerals

Anchor

Monocots versus dicots

Page 3: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

D. Examples

pneumatophores

prop rootsMangrove swamps

Page 4: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

II. Root growthA. Importance of primary growthB. Root capC. Root hairs and branches

1. root hairs2. branching

rhizosphere

mucigel

Root hairs

Page 5: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

III. Inside rootsA. Primary tissues

1. epidermis2. cortex3. vascular

tissues4. endodermis5. pericycle

B. Secondary tissues

epidermis

Cortex

endodermis

pericycle

Primary phloem

Primary xylem

Page 6: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

4. endodermis

Page 7: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

4. endodermis

Page 8: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

5. Pericycle

Page 9: Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root systems C. Food storage D. Examples II. Root growth A.

The end