EOC Review Cladograms and Phylogenetic Trees

Front

What does each node on a cladogram represent?

Back

The last point at which two groups shared a common ancestor.

Tags

NGSS.MS-LS4-2

Front

What do the branching points in a phylogenetic tree represent?

Back

Common ancestors.

Tags

NGSS.MS-LS4-2

Front

Where can the common ancestor of alligators and T. rex be found on a phylogenetic tree?

Back

Point C.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Front

Which organism is the most distantly related to all the others in a given phylogenetic tree?

Back

Dog.

Tags

NGSS.MS-LS4-2

Front

According to a phylogenetic tree, which creature is the least related out of all pictured?

Back

Fish.

Tags

NGSS.MS-LS4-2

Front

What is a cladogram?

Back

A diagram that shows the evolutionary relationships among various biological species based on similarities and differences in their physical or genetic characteristics.

Tags

NGSS.MS-LS4-2

Front

What is a phylogenetic tree?

Back

A branching diagram that represents the evolutionary history of a group of organisms.

Tags

NGSS.MS-LS4-2

Front

What is the significance of common ancestors in cladograms and phylogenetic trees?

Back

They indicate the point at which different species diverged from a shared lineage.

Tags

NGSS.MS-LS4-2

Front

How can you determine the most closely related species on a phylogenetic tree?

Back

By looking at the nodes and branches; species that share a more recent common ancestor are more closely related.

Tags

NGSS.MS-LS4-2

Front

What is the difference between a cladogram and a phylogenetic tree?

Back

A cladogram focuses on the order of branching and relationships, while a phylogenetic tree may also include information about the time of divergence.