Taxonomic Key

When using a dichotomous key to identify organisms, what do we look at?

• physical features

• weather patterns

• environment

• diet

What is the name of bird X?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

What is the purpose of a dichotomous key?

• to find a common ancestor

• to show the evolution of organisms

• to show relationships between organisms

• to identify organisms

An illustration and a dichotomous key are given. What is the correct classification for this organism?

• Class Insecta

• Order Amblygygi

• Order Araneae

• Order Scorpiones

Use the dichotomous key to identify Bird X?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

What is the name of bird W?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

The primary purpose of a dichotomous key in biology: (a)   . When using a dichotomous key to identify organisms, we look at: ​ (b)  

• To predict the evolutionary future

• A step-by-step way to identify organisms

• To classify organisms based on genetics

• To determine the age of fossils

• physical features

• genetics

• habitat and population

• fossils

What is the name of bird W?
(a)  

• Geospiza

• Certhidea

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?

• Whip Scorpion

• Wind Scorpion

• Daddy long legs

• Scorpion

Which characteristics are used to identify the American Robin?

• Head color, Beak shape, and Beak Color

• Head color and Beak Color

• Beak Shape and Beak Color

• Beak Color