Cladograms

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the evolutionary relationships among a group of organisms based on shared characteristics.

Front

What characteristic do all animals to the right of the hagfish in a cladogram have in common?

Back

Jaws.

Front

Which group are primates most closely related to according to a cladogram?

Back

Rodents and rabbits.

Front

What type of structures are the wings of a butterfly and a bat considered?

Back

Analogous structures.

Front

Which group are birds least related to according to a cladogram?

Back

Sharks.

Front

Cladograms are constructed by grouping organisms based on their __________ characteristics.

Back

shared.

Front

What is the difference between homologous and analogous structures?

Back

Homologous structures are similar due to shared ancestry, while analogous structures are similar due to convergent evolution.

Front

What does it mean if two species share a common ancestor?

Back

It means they have evolved from a species that existed in the past.

Front

What is the significance of shared characteristics in cladistics?

Back

Shared characteristics help determine evolutionary relationships and group organisms in a cladogram.

Front

What is a node in a cladogram?

Back

A node represents a common ancestor from which descendant species diverge.