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Chapter 52

biol 130 exam 2

TermDefinition
ecology study of relationships between organisms and environment
intraspecific within species
interspecific between species
environmentalism the use of knowledge to inform person decisions and public policy relating to stewardship of natural resources and ecosystem
ecosystem the network of interacting organisms in an area, physical environment
weather short term state of atmospheric conditions at a particular time
climate average atmospheric conditions over a longer time
gyres patterns of water movement
gyres in northern rotates clockwise
gyres in southern rotates counterclockwise
life zones marine biomes identified by water depths and light penetration
photic zone enough light to support photosynthesis
costal zone Extend from the shoreline to the edge of the continental shelf; shallow, well-oxygenated water, stable temperatures and salinities
intertidal zone Between high and low tide levels; conditions of temperature and salinity vary greatly
estuaries Where rivers meet the sea, creating variability in salinity, sentiment, and light conditions
albedo effect Reflection of solar radiation
evapotranspiration evaporative transfer of heat in moisture from plant leaves into the atmosphere
microclimate Subset of climatic conditions in a small specific area
biogeography scientific study of distribution and diversity of organisms on earth
distribution where organisms are found
diveristy number and composition of species
species-area hypothesis large islands have more species
species-distance hypothesis number of species of each island is determined by the distance from other islands and from main land
equilibrium hypothesis species diversity is the result of colonization from a "mainland" source and local extinction, producing and "equilibrium" number of species
biomes an environment defined by its climatic and geographic attributes characterized by its dominant plants
Created by: acatherine04
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