vocabulary words on chapter 18
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| taxonomy | discipline of classifying organism and assigning each organism a universally accepted name
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| binomial nomenclature | classification system in which each species is assigned a two-part scientific name
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| genus | group of closely related species’ and the first part of the scientific name in binomial nomenclature
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| taxon | group or level of organization into which organism are classified
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| family | group of genera that share many characteristics
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| order | group of similar families
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| class | group of similar orders
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| phylum | group of closely related classes
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| kingdom | large taxonomic group, consisting of closely related phyla
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| phylogeny | study of evolutionary relationships among organisms
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| evolutionary classification | method of grouping organism together according to their evolutionary history
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| derived characters | characteristics that appears in recent parts of lineage’ but not in its older members
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| cladogram | diagram that shows the evolutionary relationships among a group of organisms
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| molecular clock | model that uses DNA comparisons to estimate the length of time that two species have been evolving independently
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| domain | most inclusive taxonomic category; larger than a kingdom
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| bacteria | domain of unicellular prokaryotes that have cell walls containing peptidoglycan
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| eubacteria | kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan
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| archaea | domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan
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| archaebacteria | kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan
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| eukarya | domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
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| protista | kingdom composed of eukaryotes that are not classified as plants, animals, or fungi
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| fungi | kingdom composed of heterotrophs; many obtain energy and nutrients from dead organic matter
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| plantae | kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose
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| animalia | kingdom of multicellular eukaryotic heterotrophs whose cells do not have cell walls
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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