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20 Cards in this Set
- Front
- Back
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What is systematics? |
the study of the diversification of living forms, both past and present, and the relationships among living things through time. |
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What is a taxon? |
is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. |
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Who is Carl Linneaus and what did he do? |
is famous for his work in Taxonomy, the science of identifying, naming and classifying organisms. |
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What is nomenclature? |
the devising or choosing of names for things, especially in a science or other discipline. |
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What is the order of taxonomic categories? |
kingdom, phylum or division, class, order, family, genus, species. |
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What is the standard for naming new species? |
that names are based on name-bearing types, the objective standard of reference for the application of zoological names. |
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What is binomial nomenclature? |
the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet. |
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How is binomial nomenclature written? What language? |
1. The entire 2-part name must be written in italics. 2. The genus name is always written first. 3. The genus name must be capitalized. 4. The specific epithet is never capitalized Is written in Latin. |
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What does polyphyletic mean? |
(of a group of organisms) derived from more than one common evolutionary ancestor or ancestral group and therefore not suitable for placing in the same taxon. |
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How many Domains are there? |
3 |
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What eukaryotic organisms are single celled and have their own kingdom? |
Protist kingdom |
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What eukaryotic organisms are autotrophic and have their own kingdom? |
Plants |
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What physical characteristics of cells separate plant and animal cells? |
The chloroplast,cell wall and plastids are found in the plant cell only. |
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What is evolutionary systematics? |
is a way to determine natural relationships of organisms by studying a group in detail and comparing degree of similarity. |
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What does homology mean? |
the quality or condition of being homologous. |
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What does phylogeny mean? |
the branch of biology that deals with phylogenesis. |
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Draw a sketch of the fox from the PPT that indicated anatomical direction. Ex. Ventral,Dorasal ect. |
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What is a dichotomous key and what is it used for? |
is a tool that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. Keys consist of a series of choices that lead the user to the correct name of a given item. "Dichotomous" means "divided into two parts". |
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What is a cladogram and what is it used for? |
is a diagram used in cladistics which shows relations among organisms. |
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Describe the two methods used to classify animals, physical characteristics/genetics. |
by a dichotomous key and a cladogram |
