Tabular Dichotomous Keys

In a dichotomous key, organisms should be classified based on their

• diet

• habitat

• observable features

• sounds they make

How many options should every branch in a dichotomous key have?

• 1

• 2

• 3

• 4

Why do scientists use dichotomous keys?

• To arrange organisms based on habitat

• To determine evolutionary history

• To identify different organisms

• To analyse feeding habits

Identify leaf F

• Cydonia

• Magnolia

• Aesculus

• Fraxinus

• Ilex

If you were to make a dichotomous key to identify this organism, which option would NOT be used?

• Presence of webbed feet

• Presence of tail

• Fur on the body

• Ability to swim

• Absence of wings

Tags

NGSS.MS-LS4-2

Which of the following organisms is M. erminea?

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2

• A

• B

• C

• D

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2