Identify Organisms and Their Relationships

What step do we always start with when using dichotomous keys?

• 1

• 2

• 3

• 4

What should each step of a dichotomous key include?

• A detailed description of the organism

• A pair of contrasting statements

• A scientific name of the organism

• A list of all possible species

What is the name of bird W?

• Certhidea

• Geospiza

• Camarhynchus

• Platyspiza

Tags

NGSS.MS-LS4-2

Adult mountain lions (Puma concolor) are almost 2 meters long. They have a black spot over each eye. The common names used throughout the United States for this species are listed below. Why is it best for scientists to use the name from the standardized taxonomic system?

• The standardized name differentiates mountain lions and pumas.

• The standardized name is less descriptive of the animal that has been observed.

• Communication with other scientists about mountain lions will be reduced.

• All scientists will be using one name for mountain lions.

Which language is the primary language used to classify living things?

• Greek

• Latin

• Roman

• English

What is the common ancestor of Letters A, B, C, D, E?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS4-2

Of the choices listed, which species is the oldest?

• H

• D

• C

• A

Tags

NGSS.MS-LS4-1

Which organism is the most distantly related to all the others?

• Raccoon

• Dog

• Giant Panda

• Sun Bear

Tags

NGSS.MS-LS4-2

Which organism is most closely related to the rodents & rabbits?

• primates

• amphibians

• crocodiles

• sharks

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Which letter represents the most recent common ancestor of sponges and mushrooms?

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-1