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19 Cards in this Set
- Front
- Back
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Taxonomy
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Science of describing, naming and classifying species |
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Systematics
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Study of biodiversity and evolutionary relationships |
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Classifications are... |
A Hierarchical system |
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Hierarchical Systems
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(Do seriously keep pots clean or family gets sick) |
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1969
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5 kingdoms |
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1970's |
3 domains |
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Supergroups
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fit between domain and kingdom |
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International Commission on Zoological Nomenclature (ICZN) |
-prevents duplications |
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Phylogenetic Trees |
Describes evolutionary relationships among various species |
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Phylogeny |
-morphological/ genetic data (Hypothesis) |
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Morphological analysis |
-cause confusion |
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Molecular analysis |
Analysis of genetic data to find genetic homologies and propose phylogenetic trees |
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Cladistics |
-compares homologous traits |
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Phylogenetic trees also called |
cladograms |
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Shared Primitive characters
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Shared by 2+ tax; inherited from ancestors older than their last common ancestors |
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Shared derived character
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Shared by 2+ tax and has originated in their most recent shared common ancestor |
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Monophyletic Group "Clade" |
Most recent common ancestor and all of its descendants |
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Paraphyletic Group |
A common ancestor and some but not all of its descendants |
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Polyphyletic Group |
Members of several evolutionary lines, but does not include most recent common ancestor of all |
