Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root...

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Transcript of Roots I. Root characteristics A. Functions B. Root systems 1. fibrous root systems 2. tap root...

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

I. Root characteristicsA. Functions B. Root systems

1. fibrous root systems2. tap root systems

C. Food storage

Water and minerals

Anchor

Monocots versus dicots

D. Examples

pneumatophores

prop rootsMangrove swamps

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

1. root hairs2. branching

rhizosphere

mucigel

Root hairs

III. Inside rootsA. Primary tissues

1. epidermis2. cortex3. vascular

tissues4. endodermis5. pericycle

B. Secondary tissues

epidermis

Cortex

endodermis

pericycle

Primary phloem

Primary xylem

4. endodermis

4. endodermis

5. Pericycle

The end