Dichotomous Key

1
Dichotomous Key

• Part 2

2
Dichotomous Key

• Scientist use dichotomous key in order to
  correctly identify living and non-living things.

3
Dichotomous Key

• 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".
• Therefore, dichotomous keys always give two
  choices in each step.

4
Dichotomous Key
5
Dichotomous Key
6
Dichotomous Key

• Example
• Example
• Environmental Education for Kids
• Environmental Education for Kids Aquatic
• Students.ed.qut.edu.au
• LEAF
• Nerds.Unl.Edu

7
Dichotomous Key

• Activity Make a dichotomous key using the
  different types of pasta.
• Helpful Hints
• Use one trait to break up the groups.
• Start with a trait the will split the pasta in
  half.

8

• Activity
• Make a dichotomous key using bolts, nails, etc.

9

• Activity
• Make a dichotomous key using cardboard shapes.