7th Grade Unit 35
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| Bacteria | microscopic, single-celled organisms that are found almost everywhere on Earth
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| Archaea | microorganisms that define the limits of life on Earth. They were originally discovered and described in extreme environments
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| Taxonomy | the science of classifying and naming living organisms based on their shared characteristics, essentially organizing them into groups based on their similarities and differences
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| Domain | the highest level of classification for living organisms, essentially dividing all life on Earth into a few major groups
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| Eukarya | a domain of life that includes organisms with cells containing a nucleus and other membrane-bound organelles
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| Unicellular | an organism is made up of only one single cell
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| Prokaryotic | a simple, single-celled organism that lacks a nucleus and other membrane-bound organelles
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| Eukaryotic | a cell that has a well-defined nucleus surrounded by a membrane, containing the genetic material, and also has other specialized structures called organelles, each with a specific function within the cell
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| Multicellular | an organism made of more than one cell
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| Kingdoms | the highest level of classification for living organisms, grouping together large groups of organisms with similar characteristics, like animals, plants, fungi, and bacteria, which share a common ancestry and evolutionary lineage
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| Animalia | the kingdom that includes all animals, from insects to humans
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| Plantae | the kingdom of all plants, encompassing everything from mosses and ferns to conifers and flowering plants
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| Fungi | organisms that are not plants but are more closely related to animals. They are heterotrophic, meaning they digest food externally, and they lack chlorophyll and vascular tissue
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| Protista | a diverse group of single-celled, eukaryotic organisms that are neither plants, animals, nor fungi, meaning they are essentially all other eukaryotes that don't fit into those three kingdom
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| Eubacteria | prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome
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| Archaebacteria | a group of microorganisms considered to be an ancient form of life that evolved separately from the bacteria and blue-green algae
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| Phylum | a major group of organisms within a kingdom, classified together based on shared fundamental characteristics, ranking above class and below kingdom in the taxonomic hierarchy
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| Class | a taxonomic rank that groups together organisms sharing a significant number of characteristics, sitting below the phylum and above the order in the classification system
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| Order | a taxonomic rank that groups together a collection of related families of organisms, sitting between "class" and "family" in the hierarchy
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| Family | a group of related genera (types of organisms) that share similar characteristics, classified within a taxonomic hierarchy between the order and genus levels
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| Genus | a group of closely related species that share many similar characteristics, considered a taxonomic rank above species and below family in the classification system
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| Species | a group of organisms that can interbreed with each other and produce fertile offspring
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| Binomial Nomenclature | a system of naming organisms using two parts: the first part identifies the genus and the second part identifies the species
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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.
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.
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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