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Stem Growth
How long do plants grow?
Primary Growth
Growth in length Roots always know to grow down
Specialized cells in root cap What about a topsy turvy planter?
Primary Growth
Stem Primary Growth
At the tips of nodes of a stem, there is a primary meristem.
Node: the area that holds the buds of two or more leaves, flowers, cones, roots, or other stems.
Stem Secondary Growth
Stem Secondary Growth
Secondary meristem is located in and around the vascular tissues.
Forms secondary vascular tissues and bark.
Tree Rings
What causes the color differences in tree rings?
Tree Rings
Tree Rings
The lighter color in a tree ring is known as earlywood.
It is produced early in the season.
What can the width of the rings tell you?
Primary and Secondary Growth
Tree Cookie Lab
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