leaf identification lab using a dichotomous key

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Leaf Identification Lab Using a Dichotomous Key Environmental Science Mrs. Cochrane

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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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Page 1: Leaf Identification Lab Using a Dichotomous Key

Leaf Identification LabUsing a Dichotomous Key

Environmental ScienceMrs. Cochrane

Page 2: Leaf Identification Lab Using a Dichotomous Key

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

Page 3: Leaf Identification Lab Using a Dichotomous Key

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.

Page 4: Leaf Identification Lab Using a Dichotomous Key

Leaf #1

Page 5: Leaf Identification Lab Using a Dichotomous Key

Leaf #2

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Leaf #3

Page 7: Leaf Identification Lab Using a Dichotomous Key

Leaf #4

Page 8: Leaf Identification Lab Using a Dichotomous Key

Leaf #5

Page 9: Leaf Identification Lab Using a Dichotomous Key

Leaf #6

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Leaf #7

Page 11: Leaf Identification Lab Using a Dichotomous Key

Skip #8

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Leaf #9

Page 13: Leaf Identification Lab Using a Dichotomous Key

Skip #10

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Leaf #11

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Leaf #12

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Leaf #13