Leaf Identification Lab Using a Dichotomous Key

1
Leaf Identification LabUsing a Dichotomous Key

• Environmental Science
• Mrs. Cochrane

2
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

3
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.

4
Leaf 1
5
Leaf 2
6
Leaf 3
7
Leaf 4
8
Leaf 5
9
Leaf 6
10
Leaf 7
11
Skip 8
12
Leaf 9
13
Skip 10
14
Leaf 11
15
Leaf 12
16
Leaf 13