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Stack #219377
bio chapter 18 vocabulary words and definitions
| Question | Answer |
|---|---|
| analogy | similarity in form or function that is not a result of evolution from a common ancestor but is evidence of convergent evolution (similar environmental pressures) |
| Animalia | the animal kingdom |
| Archaea | domain of bacterial species proposed by Carl Woese on the basis of RNA analysis |
| binomial nomenclature | the two-word naming system used in taxonomy, consisting of the Latin genus and species names of an organism |
| biodiversity | the number and variety of living organisms in an area at a specific time |
| cladistics | a systematic method of classification that relies on shared characteristics not found in other organisms |
| class | in taxonomy, a group of related orders |
| division | in taxonomy, a group of similar classes; equal in the taxonomic hierarchy to a phylum |
| Eubacteria | bacterial group including the cyanobacteria; sometimes called "true bacteria," they differ from archaebacteria in their ribosomal RNA and transfer RNA and in other ways |
| fungi | a kingdom of heterotrophic organisms that develop spores; fungi feed by absorbing, rather than ingesting, other organic matter; many are decomposers |
| genus | in taxonomy, a group of related species |
| homology | similarity of biological structures that results from evolution from a common ancestor |
| kingdom | a taxonomic group composed of similar phyla or divisions; the system used in this book divides all living things into five kingdoms |
| Monera | a kingdom of bacteria and related one-celled microscopic organisms that have no clearly defined nucleus; prokaryotes |
| motile | capable of movement from place to place; describes most animals |
| order | in taxonomy, a group of related families |
| phenetic | a systematic method of classification that uses similarities based on phenotypic characteristics, giving equal importance to all characteristics |
| phylum | in taxonomy, a group of related classes; equivalent to a division for plants |
| Plantae | the plant kingdom |
| Protista | a kingdom of mostly aquatic, mostly unicellular eukaryotes |
| protozoan | a one-celled, mobile protist |
| scientific name | the two-part Latin name of a species |
| taxonomy | the theories and techniques of describing, grouping, and naming living things |
| vertebrate | a chordate animal with a backbone; includes mammals, birds, reptiles, amphibians, and fishes |
Created by:
CassTrav
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