leaf identification lab using a dichotomous key
Post on 03-Jan-2016
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Leaf Identification Lab Using a Dichotomous Key. Environmental Science Mrs. Cochrane. Dichotomous Key. A dichotomous key is a tool that allows the user to determine the identity of items in the natural world - PowerPoint PPT Presentation
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Leaf Identification LabUsing a Dichotomous Key
Environmental ScienceMrs. Cochrane
Dichotomous Key• A dichotomous key is a tool that
allows the user to determine the identity of items in the natural world
• Keys consist of a series of choices that lead the user to the correct name of a given item
• "Dichotomous" means "divided into two parts“
• Dichotomous keys always give two choices in each step
Directions
• Use the dichotomous key to determine the identity of the leaves.
• Fill in the chart for the characteristics of each leaf.
• Hand in all sheets when completed.
Leaf #1
Leaf #2
Leaf #3
Leaf #4
Leaf #5
Leaf #6
Leaf #7
Skip #8
Leaf #9
Skip #10
Leaf #11
Leaf #12
Leaf #13
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