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WHAT A WASTE !

Introduction   There are many steps in the metabolism of plants from photosynthesis to energy production. All of these steps require an endless supply of chemical substances for them to work properly. Included in these are proteins, acids, bases, and other molecular compounds. The total involved directly or indirectly in these processes number in the […]

BARK !

Introduction Bark is the outermost layer of tissue on a mature plant. It is made mostly of dead rectangular cork cells that fit tightly together.  It is pretty much watertight! The bark on trees and shrubs is as distinctive and individual as the species that produce them.  Not surprising, there is a large variation in […]

THE SHAPE OF LEAVES

What is a leaf? A leaf is the main organ attached to the stem.  It is specialized for photosynthesis. Over time, it has evolved into a plethora of different shapes, sizes and characteristics. These vary considerably depending largely on their adaptation to climate.  Leaves have also adapted to the available sunlight, presence of grazing animals, […]

 
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