Materials - Different Parts Of A Tree Flashcards
Parts Of A Tree
Trunk,Roots and Crowns
What is the trunk made up of?
The trunk is made up of layers of bark, phloem, cambium and xylem.
Different layers within the trunk?
Bark,Phloem,Cambium,
Xylem/Sapwood and Growth Rings
What is the bark?
the outside of the trunk that you
can see which protects the trunk from weather, insects and fungi
What is phloem
a pale inner layer of
bark, which transports sugar and nutrients along elongated cells to other parts of the tree.
What is cambium?
is a layer inside the phloem that produces phloem and xylem cells to form new inner bark
What is Xylem/Sapwood?
is the trunk’s innermost layer. that gives the tree its strength and support.
What is the growth ring?
is a ring that represents a layer of wood for every year that that tree has been alive.