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Bio103
Unit 18 & 23
| evolution | the accumulation of inherited changes WITHIN POPULATIONS over time |
| Who was one of the first individuals to group and arrange organisms? | Aristotle |
| What tool did Aristotle use to group and arrange organisms? | scale of nature |
| -the first to propose that organisms change over time as a result of natural phenomenon -proposed the INCORRECT proposal that traits acquired during an organism's lifetime could be passed along to their offspring | Jean Baptiste de Lemark |
| -served as a naturalist on the H.M.S Beagle -basis of Darwin's theory of evolution, used data he collected on the similarities and differences among organisms he observed in the Agrid Galapagos Islands | Charles Darwin |
| example of artifical selection | horse breeders mating female and male race horses to produce the strongest and fastest race horse |
| -made the the important mathematical observation that populations increase in size geometrically until checked by factors in the environment | Thomas Malthus |
| adaptions | modifications that increase the chance of survival |
| example of adaptions | an evolutionary modification that improves the chances of survival of oak trees in North America |
| Both __ and __ arrived at the conclusion that evolution occurred by natural selection | Charlies Darwin, Alfred Russel Wallace |
| biogeography | the study of past and present geographic distribution of plants and animals |
| -designed a classification system, the binomial system of nomenclature, in which each species or organism is identified using a unique two-part name (genus and species) | Carolus Linnaeus |
| For each species, the two-part name consists first of the __, which is capitalized, followed by the __ which is not capitalized | genus & species |
| classification system | consists of several levels organization |
| Starting from most inclusive to least inclusive, what is the order for the domain triangle? | King Philip came over for good spaghetti 1. kingdom 2. phylum 3. class 4. order 5. family 6. genus 7. species |
| What group from the domain triangle is the most inclusive? least inclusive? | domain, species |
| fungi | non-photosynthetic organisms that absorb nutrients and are placed in a kingdom of the same name |
| cladogram | a phylogenetic tree uses clades to show evolutionary relationships |
| node | a branch point on a cladogram, also shows characteristics |
| root of cladogram | the root at the base of a cladogram represents the most common ancestor of the entire grouping |
Created by:
lacim05
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