1. Forestry and Forest Products
Parts of a Tree
Forestry and Forest Products
AFNR-BAS-10: Demonstrate basic skills in natural resource management.

2. Main Tree Parts
Roots
Trunk
Crown

3. Roots
function is to anchor tree, collect water and nutrients, hold soil in place
types of roots:
tap root: a large central and dominant root growing straight down
secondary roots: roots that branch off the main root
root hairs: tiny roots that take up water and nutrients

4. Trunk
function is to support the crown and transport water and nutrients
outer bark: protects tree from injury
inner bark: carries food from leaves to cambium layer
cambium: builds cells
sapwood: carries sap from roots to leaves
heartwood: gives strength (inactive/not growing)

5. Crown
function is to gather sunlight, makes food for growth, helps filter air, produces oxygen
the crown consists of branches and leaves

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