Cladograms - Zoology Midterm Review

Front

What is a cladogram?

Back

A cladogram is a diagram that shows the ancestral relationships and shared traits of different organisms.

Front

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

Back

Jaws.

Front

What trait should be placed at point A on a cladogram if it represents a common feature among certain organisms?

Back

Eyes.

Front

Do salamanders have claws?

Back

No.

Front

What traits do conifers possess?

Back

Vascular tissue and seeds.

Front

What is the significance of shared traits in a cladogram?

Back

Shared traits indicate common ancestry among organisms.

Front

What does a node represent in a cladogram?

Back

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

Front

How can cladograms be used in zoology?

Back

Cladograms can be used to understand evolutionary relationships and the classification of species.

Front

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

Back

A cladogram focuses on the branching order of species, while a phylogenetic tree includes information about the time of divergence.

Front

What type of data is typically used to construct a cladogram?

Back

Morphological, genetic, and behavioral data are used to construct cladograms.