Chapter Five Bio120 sadness
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11 Terms
Implication of Darwin’s Theory
All life on this planet can be traced to a single ancestor
Evidence for close relationship
New characters shared by the species
Phylogenies
Evolutionary History
How biologists studying diversity of organisms use phylogenies
Classifying organisms into natural groups
Phylogenies and health sciences
Understanding virus spread (eg: HIV and humans/chimps)
Systematics
Study of diversity of organisms
Taxonomy
Theory and Practice of ordering diversity of like into class system that reflects relationships
Willi Hennig
Entomologist, developed phylogenetic systematics
Assumptions of phylogenetic systematics (3)
Evolution occurs
There is a single phylogeny of life
Characters are passed down Gen to Gen
Methods of phylogenetic systematics
Quantitative
Reproducible
Testable
Multistate character
Character present in more than two states
Note 
Flashcards (24)