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Vocab. chapter 16&17
| Term | Definition |
|---|---|
| Anthropoid | Human-like primates that include New World monkeys, Old World monkeys, and hominoids. |
| Opposable thumb | Primate characteristic of having a thumb that can cross the palm and meet the other fingertips. |
| Prehensile tail | Long muscular tail used as a fifth limb for grasping and wrapping around objects. |
| Primate | Group of mammals including lemurs, monkeys, apes, and humans that evolved from a common ancestor. |
| Australopithecine | Early African hominid, genus that had both apelike and human-like characteristics. |
| Bipedal | Ability to walk on two legs, leaves arms and hands free for other activities such as hunting, protecting young, and using tools. |
| Cro-Magnon | Modern form of Homo sapiens that spread throughout Europe between 35,000 to 40,000 years ago.. |
| Hominoid | Group of primates that can walk upright on two legs. |
| Neandertal | Archaic Homo sapiens that lived from 35,000 to 100,000 years ago in Europe, Asian, and the Middle East. |
| Binomial nomenclature | Two-word system developed by Carlos Linnaeus to name species; the first word identifies the genus of the organism, the second word is often a descriptive word that describes a characteristic of the organism. |
| Class | Taxonomic grouping of similar orders. |
| Classification | Grouping of objects or information based on similarities. |
| Division | Taxonomic grouping of similar classes; term used instead of phyla by plant taxonomists. |
| Family | Next larger taxon in the biological classification system. |
| Genus | First word of a two-part scientific name used to identify a group of similar species. |
| Kingdom | Taxon of similar phyla or divisions |
| Order | Taxonomic grouping of similar families. |
| Phylum | Taxonomic grouping of similar classes. |
| Specific epithet | Second word that describes a characteristic of the organism |
| Taxonomy | Branch of biology that groups and names organisms based on studies of their different characteristics. |
| Cladistics | Biological classification system based on phylogeny; assumes that as groups of organism diverge and evolve from a common ancestral group, they retain derived traits. |
| Cladogram | Branching diagram that models the phylogeny of a species based on the derived traits of a group of organisms. |
| Eubacteria | Group of prokaryotes with strong cell walls and a variety of structures may be autotrpohs or heterotrophs. |
| Fungus | Group of unicellular or multicellular heterotrophic eukaryotes that do not move from place to place. |
| Phylogeny | Evolutionary history of a species based on comparative relationships of structures and comparisons of modern life forms with fossils. |
| Protist | Diverse group of multicellular or unicellular eukaryotes that lack complex organ systems and live in moist environments; may be autotrophic or heterotrophic. |