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20 Cards in this Set
- Front
- Back
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Phylogeny |
The study of the pattern of events that led to the diversity of Life. |
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Taxonomy |
The study of classifying living things. |
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Taxon |
A group of organisms at a particular level in a classification system. |
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Systematics |
The study of biological diversity in an environmental context, encompassing taxonomy and involving the reconstruction of the phylogenic history. |
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Binomial |
A species naming system |
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The binomial naming system consists of what? |
Genus and species |
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The genus is ( ) and the species is not and they are always written in ( ) |
Capitalized, italicized |
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The taxonomic hierarchy |
Domain, kingdom, phylum, class, order, family, genus, species |
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Modern phylogenic classification is based on what? |
Cladistic analysis |
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Cladistics |
The process of drawing phylogenic trees (cladograms) they identify shared derived characteristics. |
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Homologous |
Similar structures indicating common ancestry |
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Analogous |
Similar structures but from different ancestors |
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Domains |
Archae, bacteria, eukarya |
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Kingdoms |
Animalia, plantae, fungi, protista, archaebacteria, bacteria |
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Eras |
Precambrian era, Paleozoic era, Mesozoic Era, Cenozoic era |
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Each evolutionary branch in a cladogram is called a |
Clade |
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Monophyletic clades |
Consist of an ancestral species and all of its descendant species |
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Paraphyletic clades |
Consist of an ancestor and some but not all of that ancestor's descendants |
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Polyphyletic clades |
Are two or more groups of unrelated species descended from more than one ancestor |
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Homology |
Likeness attributed to shared ancestry like the forelimb of the cat and the arm of a human |
