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26 Cards in this Set
- Front
- Back
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Classification
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grouping together objects based on similarities
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Taxonomy
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the branch of biology concered with nameing adn classifying organisms
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Early Taxonomist
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Aristotle (group all things as either plant or animal with misleading common names)
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The father of taxonomy
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Linnaeus
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Linnaeus developed...
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1. binomal namenclature (2 Name Naming system)- each organism is given a scientific namewith 2parts (genus and species) in latin
2. Classified using taxa |
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rules for writing scientific names
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1. Genus is capitalized
2. Species is lower case 3. both words are underlined (on computer= italicized) |
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classifying
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a hierachical system is used whereby each organism is grouped into 7 catagories (taxa) of decreasing size
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Kingdom
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largest taxon- group of similar phyla/ divisons
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Phylum
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used in Animals- group of similar classes
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Divison
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used in plants- group of similar classes
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Class
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group of similar orders
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order
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group of similar families
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families
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group of similar genera (genus)
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Genus
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group of similar species
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Species
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group of similar organisms that can reproduce and have fertile offspring
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Mnemonic for the 7 taxa
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Keeping people (dogs)calm over food greatly satifies
OR King Phillip (david) came over for great spaghetti |
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How are organisms classified into taxa?
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~Linnaeus used physical features, but today we use...
~PHYLOGENY |
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Phylogeny
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an organism's evolutionary history (how close it relates to others organisms)
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To determine phylogeny, we compare...
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~anatomy- structure
~Biochemistry- DNA/proteins ~Developement- embryos ~behavior- important in determining species |
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the 6 kingdoms of life are...
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Eubacteria (most bacteria), Archaebacteria (weird bacteria- extremophiles), Prostista, Animalia, Plantae, adn Fungi
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Eubacteria are...
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unicellular and both autotrophs adn heterotrophs
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Archbacteria are...
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Unicellular and both autotrophs adn heterotrophs
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Animals are...
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multicellular and heterotrophs
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Plants are...
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multicellular and autotrophs
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fungi are...
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both multi and uni (most are multi, but yeasts are uni) and heterotrophs
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Protists are...
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Both multi and uni (most are uni, but seaweed is multi) and both auto and hetero
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