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11 Cards in this Set
- Front
- Back
Phylogeny |
The evolutionary history of a species/group |
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Taxonomy |
The scientific discipline of naming/classifying organisms |
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Binomial nomenclature |
2 part name First second |
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Taxon |
Domain-Kingdom-Phylum-Class-Order-Family Genus-Species |
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Shared ancestral traits |
originated in an ancestor and is present in all proceeding - Homologous |
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Shared derived traits |
character that evolved in some species but is not present in an ancestor - Analogous |
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Clade |
group of species that includes the ancestor and all descendants |
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extant vs. extinct |
Still around, died off |
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Molecular clock |
Measures absolute time of evolutionary change -Based on Homologous genes and number of nucleotide substitutions |
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central dogma theory |
States that mRNA sequences are translated into proteins all in the same way |
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Adaptive radiation |
Occurs after a mass extinction when new species adapt to fill all the niches |