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| scientific study of the diversity of organisms and their evolutionary relationship |
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| science of naming and classifying organisms |
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| arranging organisms into groups based on their similarities |
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- developed by Carolus Linneaus
- two-part name consisting of the Genus Species
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| Binomial System of Nomenclature |
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| when two-part name is typed it's |
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| when two-part name is hand written it's |
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| name the 7 taxonomic categories |
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Definition
- Kingdom
- Phylum (division)
- Class
- Order
- Family
- Genus
- Species
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| group of organisms that can be interbred |
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- Protista
- Animalia
- Plantae
- Fungi
- Eubacteria
- Archaebacteria
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bacteria, prokaryotic, decomposers; reproduce by fission
ex. E. coli |
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| cell walls contain peptidoglycan (modified protein); true bacteria |
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| unicellular or simple multicellular organisms; contain protozoa; slime molds and algae |
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heterotrophs; do not photosynthesize; recieve nutrients by extracellular digestion and absorption
ex. mushroomm |
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producers; cell walls made of cellulose; multicellular
ex. Acer rubrum
(red Maple) |
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| hetertophs; tissues are arranged into organs and organ system; able to move |
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| whats the difference between plants and fungi? |
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- cell wall
- body structure
- fungi do not photosynthesis
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| what are the 3 approaches to systematics |
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- Phenetics
- Classical evolutionary systematics
- phylogenetic systematics
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| systematics based on the number of shared characteristics |
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| look at evolutionary branching |
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| classical evolutionary systematics |
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| based on shared derived characters, must be from one common ancestor |
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| plant varieties such as collored greens and broccoli developed from what? |
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| evolution occurs by ______ _________ |
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| inherited variations favorable to survival perservere |
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| unfavorable variations are |
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proposed by both Darwin and Wallace
based on four observations |
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| Theory of Evolution by natural selection |
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| what 4 observations is the Theory of Evolution by Natural Selection based on |
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Definition
- genetic variation exsists among individuals
- reproductive ability of species causes it's population to increase
- organisms compete for resources
- offsrping w/ most favorable characteristics are more likely to survive
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| derive from same structure in common ancestor |
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| remnants of structures indicating adaptation |
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| study of past and present geographic distribution of organisms |
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| what has played a major role in evolution? |
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| diagrams showing lines of descent based on molecular data |
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