Class Notes (838,386)
United States (325,381)
Biology (246)
BIO 123 (28)
Lecture

Plants Part 2

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Department
Biology
Course
BIO 123
Professor
Jason Wiles
Semester
Spring

Description
01/15/2014 Dermal Tissue System Outer protective covering of plant body Epidermis Complex tissue Covers herbaceous plant body Periderm Complex tissue Covers woody parts of plant body Epidermis Waxy cuticle reduces water loss Secreted by epidermis covering aerial parts Stomata permit gas exchange Between shoot system and atmosphere Trichomes (outgrowths or hairs) Many sizes, shapes, and functions Growth in Plants Localized in specific regions (meristems) Unlike animals Involves 3 processes: Cell division Cell 
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