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Related Flashcards
Related Topics
Cards In This Set
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Organism
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A life form - a living entity made up of one or more cells
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5 Characteristics of an Organism
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RICEE:Replication: an organism can replicate itselfInformation: organisms have genetic info in their genes; they can also respond to info from their environment & adjust accordingly
Cells: organisms are made of them Evolution: organisms are products of evolution & continue to evolveEnergy: organisms require & use energy |
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Tree of Life
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Family tree of organisms
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The Cell Theory
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All organisms consist of cells, & all cells come from pre-existing cells
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Phylogeny
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Genealogical relationships of organisms
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Eukaryotes (belong to Eukarya)
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Have a cell nucleus; can be unicellular or multicellular
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Prokaryotes (Bacteria & Archaea)
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Unicellular & lack a nucleus
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Taxonomy
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The effort to name & classify organisms
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Taxon
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Any named group in taxonomy
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Domain
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The 3 domains of life are Eukarya, Bacteria, & Archaea
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Phylum
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Major lineages w/in each domain
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Genus
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A genus is made up of a closely related group of species
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Scientific Name
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An organism's genus & then species
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2 Steps of Hypothesis Testing
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1. State hypothesis as precisely as possible & list the predictions it makes2. Design an observational or experimental study that is capable of testing those predictions
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Evidence-Based Decision Making
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Ask questions about how something works, pose hypotheses to answer those questions, & use experimental or observational evidence to decide if hypothesis correct
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