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