Phylogeny Review

Front

What is phylogeny?

Back

The evolutionary history of a species or taxonomic group.

Front

What is a common ancestor?

Back

An ancestor that two or more descendants share.

Front

Which domain contains organisms with a true nucleus?

Back

Eukarya.

Front

What are the four kingdoms of the Eukarya domain?

Back

Protista, Fungi, Plantae, Animalia.

Front

What is a phylogenetic tree?

Back

A diagram that represents evolutionary relationships among organisms.

Front

What does it mean if two organisms are closely related on a phylogenetic tree?

Back

They share a more recent common ancestor.

Front

What is the significance of the root of a phylogenetic tree?

Back

It represents the most recent common ancestor of all organisms in the tree.

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 is cladistics?

Back

A method of classifying organisms based on common ancestry.

Front

What is a clade?

Back

A group of organisms that includes an ancestor and all its descendants.