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Chapter 6

BioLab- Taxonomy, Systematics

QuestionAnswer
How many species of animals are there in the world? 1.7 million
Definition of Taxonomy discipline within biology devoted to naming the diverse forms of life.
Car von Linnne proposed the first method in the 18th century, giving each species a unique Latin name consisting of a genus name and specific epithet. Together these two names comprised the species name. It was binomial name, the first letter is always capitalized and are in italics.
-iensis shows that it is from a geographical location
Linnaeus also created a way to categorize all of the species by creating a number of categorical levels, a heiracrchy of increasingly more general or inclusive categories.
Similar and related genera are placed into a single: family.
Like families are grouped into an _____. order
King Philip Came Over For Good Soup Kindom, Phyllum, Class, Order, Family, Genus, Species
Linnaues system can be adapted to express the heirarchal patterns found in evolution
A species or group of species included together within any categorical rank has a name- taxon
Following Darwin's discourse on evolution taxonomy become part of a large study of ... systematics.
Systematics involves of the ... elucidation of the evolutionary history of the described species.
Modern taxonomy must reflect.. relatedness within its classification. In otherwords species are placed in the categories because the evolved from a common an same ancestor.
A formally recognized taxon should be __________, or have a common ancestor and all of its descendants. monophyletic
An organisms's phylogeny is.. and can be shown with a... history of an organism or a group of related organism and can be represented as a phylogenetic tree, where both speciation and chagnes through time can be shown.
In a phylogenic tree speciation is... and changes in time are... speciation is the branching points and the changes through time are the divergence of the branches.
The systematic technique used is called cladistics, or the shared derived characters that have arisen in the common ancestor.
Cladogram is similar to a phylogenetic tree but represents the results of cladistics analysis, eich each branch representing a specific clade but isn't associated with a time scale
A clade is a taxonomic group defined by one or more shared derived characters.
Created by: kccroy
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