Unit 4 - Taxonomy, Phylogenies, and Systematics

In the 1700s, Linnaeus published a taxonomic system based on morphological features.

Evolutionary history of a species or group of related species.

Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species

Aristotle

Scientific name created by linnaeus and his students.

First part is called the generic, Second part is called the specific epithet.

First part capitalized second not, italicize the entire name.

A group of populations who have the potential to interbreed in nature and produce viable offspring, do not breed successfully with other populations.

5 million

When more than 2 groups emerge from a node.

Characters that are similar due to shared ancestry.

Characters that are similar due to anything other than shared ancestry.

Characters that are similar in function but do not share ancestry.

Includes the most recent common ancestor and some descendants, missing descendants.

includes the distantly related taxa and not their most recent common ancestor.