Forestry 303 Study guides, Class notes & Summaries

Forestry 303 Exam Revised Questions and Answers / Sure A Last document update:   ago

1. What adaptations do gymnosperms have to withstand dry conditions? - 1) Needles have a low surface area to volume ration, helping them retain moisture 2) The needles often have a thick waxy cuticle covering the epidermis. 3) beneath the epidermis are other layers of compactly packed thick walled cells, the hypodermal layer 4) stomata are sunken beneath the surface layer in pits, giving them a mini boundary layer 5) stomata can be filled with a waxy plug to further reduce water loss How ...