Evolutionary Trees and Cladograms

What is phylogeny?

• the study of all phyla in the classification system

• the evolutionary history of a species or taxonomic group

• the study of plants

• the study of animals

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-3

According to the diagram, what is the common ancestor of ALL organisms on the phylogenetic tree?

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

Using the diagram, is organism 4 MORE closely related to organism 3 or 5?

• 3

• 5

Tags

NGSS.MS-LS4-2

According to the diagram, what was the last common ancestor of organisms 2 and 3?

• A

• B

• C

• D

Tags

NGSS.MS-LS4-2

According to the diagram, what was the last common ancestor of organisms 1 and 5?

• B

• C

• D

• E

Tags

NGSS.MS-LS4-2

According to the diagram, which organism is LEAST related to the others?

• 5

• 4

• 3

• 2

Tags

NGSS.MS-LS4-2

According to the cladogram, which of the following is NOT a derived character?

• light bones

• Allosaurus

• down feathers

• 3-toed foot; wishbone

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which group on the cladogram arose FIRST?

• Theropods

• Allosaurus

• Robin

• Velociraptor

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Do theropods have light bones?

• yes

• no

Does Allosaurus have light bones?

• yes

• no