1How did Linnaeus contribute to organization?
In the 1700s, Linnaeus published a taxonomic system based on morphological features.
2Define phylogeny...
Evolutionary history of a species or group of related species.
3What is the Taxonomic order? (From largest to smallest).
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
4To who did "Genus" and "Species" date back to?
Aristotle
5What is binomial nomenclature?
Scientific name created by linnaeus and his students.
6What are the parts of the binomial nomenclature?
First part is called the generic, Second part is called the specific epithet.
7What are rules for scientific names?
First part capitalized second not, italicize the entire name.
8Define species...
A group of populations who have the potential to interbreed in nature and produce viable offspring, do not breed successfully with other populations.
9What is the estimate for amount of species existing?
5 million
10What is a polytomy?
When more than 2 groups emerge from a node.
11What is a homology?
Characters that are similar due to shared ancestry.
12What is a homoplasy?
Characters that are similar due to anything other than shared ancestry.
13What are analogous characters?
Characters that are similar in function but do not share ancestry.
14What is a paraphyletic taxon?
Includes the most recent common ancestor and some descendants, missing descendants.
15What is a polyphyletic taxon?
includes the distantly related taxa and not their most recent common ancestor.