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| evolutionary biology applied to social behavior in animals living in a society |
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| behavior that has the potential to decrease the lifetime reproductive success of the altruist, while benefiting the reproductive success of another member of society |
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| adaptation to the environment due to reproductive success of an individual |
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| indirect selection (kin selection) |
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| adaptation to the environment due to reproductive success of an individual's relatives |
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| behavior that causes a change in another animals behavior |
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| reception of and response to signals |
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| foraging behavior as a compromise between benefits of nutrition and costs of obtaining food |
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| evaluates alternative stratagies where the outcome depends on each individual's strategy and the strategy of other individuals |
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| system of information transfer through observation or teaching that influences behavior of individuals in a population |
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| all the organisms in a given area, along with the abiotic factors in which they interact. |
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| an assembledge of all the organisms living together and potentially interacting in a particular area. |
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| group of interacting individuals of the same species that occupy a specific area at the same time |
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| study of factors that influence a population's size, growth rate, density and population structure |
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| study of vital statistics of populations and how they change over time. |
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| number of individuals per unit area |
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| movement into a population |
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| movement out of population |
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| number of infant deaths per 1,000 live births |
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| an assembledge of populations of various species living close enough for potential interactions |
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| theory of island biogeography |
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Definition
| rate of new species immigration, rate species become extinct, |
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| the status of an organism within it's environment and community |
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| intraspecific competition |
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Definition
| competition between two of the same species |
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| interspecific competition |
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Definition
| competition between two different species |
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| Competative exclusion principle |
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Definition
| two species that have same niche cannot overlap completely or for very long |
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| the dividing up of scarce resources so that species with similar needs use them |
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| a characteristic is being changed in order to reduce competition for animals |
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| predator- Prey relationships |
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Definition
| lowers prey populations, less competition between prey, improves genetic stock of prey |
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Definition
| strychnine tropical vine, morphine, nicotine, mescoline peyote cactus |
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| two organisms in close association with one another |
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| when one species feeds on a part of another organism by living in or on host |
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| micropredator lives on outside |
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| both species benefit from interaction with one another |
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| interaction in which one species benefits, but neither harms nor helps the other |
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| total number of different species |
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| the number of a specific species |
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| species in a community that are the most abundant or that collectively have the highest biomass |
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| nitrogen oxides and sulfur dioxide are converted to acids when combined with water vapor |
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| layer of warm air that keeps smog trapped in an area |
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| prevailing weather conditions in a region |
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| amount of water in air in relation to temperature |
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| mix of plants and animals adapted to living under certain environmental conditions |
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| different levels of different temperature of water |
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| partially enclosed bodies of water where fresh and sea water mix |
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| high concentration of organisms due to sunlight penetration and supply of inorganic nutrients |
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| lacks inorganic nutrients, low concentration phytoplankton |
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