Cladograms and Phylogenetic Trees

Front

What are the three domains of life?

Back

Archaea, Bacteria, and Eukarya

Front

Which organism is most distantly related to humans according to a cladogram?

Back

Crayfish

Front

What does each node on a cladogram represent?

Back

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

Front

What are the three main groups (domains) of life?

Back

Bacteria, Archaea, Eukarya

Front

What is the common ancestor of Letters C and E in a cladogram?

Back

2

Front

Define 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.

Front

What is a phylogenetic tree?

Back

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

Front

What is the significance of a common ancestor in evolutionary biology?

Back

It indicates the point at which different species diverged from a shared lineage.

Front

What is the difference between Archaea and Bacteria?

Back

Archaea are prokaryotic organisms that often live in extreme environments, while Bacteria are prokaryotic organisms that can be found in a variety of environments.

Front

What does monophyletic mean?

Back

A group of organisms that consists of a common ancestor and all its descendants.