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28 Cards in this Set
- Front
- Back
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How are organisms classified? |
Taxonomy (8 - level system) |
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Why are organisms classified? |
1. Make sense & order living things of the world so we can use them as resources 2. Help scientists define characteristics and relationships between organisms |
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What are the eight levels of classification? |
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species |
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Which level of classification is the most specific? |
Species |
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Where does an organisms scientific name come from? |
Genus & species |
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How does a scientific name need to be written? |
Genus first & capital, species second & lower case. Whole word must be italicized. |
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What are the four kingdoms of the domain Eukarya? |
Plant, Animal, Fungi, Protist |
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What is classification? |
Dividing things into groups based on similar characteristics. |
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What is taxonomy? |
Describing, classifying and naming organisms. |
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Who first developed a system that we still use to classify organisms? |
Carolus Linnaeus |
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What does it mean if organisms share characteristics? |
They are related |
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When are organisms more closely related? |
Many characteristics in common |
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What two categories did scientists divide organisms into before the 1600's? |
Plants and Animals |
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What would a scientist do if a newly discovered organism did not fit any existing category? |
Create a new category |
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What two languages are used for scientific naming? |
Latin & Greek |
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What kingdom of organisms can make their own food and have a cell wall? |
Plants |
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What kind of organism needs to eat other organisms for energy? |
Heterotroph |
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What kind of organism makes its own food for energy? |
Autotroph |
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Molds and mushrooms are examples of what kingdom? |
Fungi |
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Which kingdom of Eukarya can have characteristics of both plants & animals? |
Protista |
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What are the three Domains of classification? |
Bacteria, Archea, Eukarya |
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What is a prokayote? |
Single-celled organism that does not have a nucleus |
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How is archea different than bacteria? |
They are able to live in extreme environments because of small differences in their genetics & cell wall. |
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What domain of organisms can be found living inside you? |
Bacteria |
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What characteristics define a protist? |
Heterotroph or autotroph, single or multicellular, no cell wall. |
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What characteristics define a animal? |
Heterotroph, uses cellular respiration to get energy, no cell wall, multicellular, moves |
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What characteristics define a plant? |
Autotroph, uses photosynthesis to make food, cell wall made of cellulose, multicellular, green |
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What characteristics define a fungi? |
Heterotroph that uses digestive juices on the outside of it's body, multicellular, cell wall made of chitin. |
