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19 Cards in this Set
- Front
- Back
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Phylogeny is the |
evolutionary history of a species or a group of related species |
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Phylogeny is constructed using |
systematics |
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systematics is a discipline that focuses on |
classifying organisms and their evolutionary relationships |
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systematics tools includes |
fossils, morphology, genes, and molecular evidence |
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Taxonomy is an ordered division of |
organisms into categories based on a set of characteristics used to assess similarities and differences |
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Binomial nomenclature uses a two part naming system that consists of the |
genus of where the species belong and the organisms' species within the genus |
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The hierarchical classification of organisms consists of: |
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
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Each categorization at any level is called a |
taxon |
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Domineering King Phillip climbed over the fence and got spooked |
Domain, Kingdom, Phylum, Class, Order, Family, Genus, And Species |
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Phylogenies are inferred from |
morphological and molecular data |
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The more alike the DNA sequences of two organisms |
the more closely related they are evolutionarily |
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The wing of a butterfly is_____ to the wing of a bat. |
analogous |
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The streamlined bodies of a tuna and a dolphin show... |
convergent evolution |
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Shared characters are used to construct.. |
phylogenetic trees |
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A cladogram |
depicts patterns of shared characteristics among taxa and forms the basis of a phylogenetic tree |
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A clade, within a tree, is defined as |
a group of species that includes an ancestral species and all its descendants |
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Monophyletic group (clade) is |
a group that consists of an ancestral species its descendants |
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Paraphyletic group (clade) |
consists of an ancestral species and some of its descendants but not all of them |
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Polyphyletic group (clade) |
includes descendants of two or more common ancestors |
