Ecology Ch. 1
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What is Ecology?
study of relationships between organisms and the environment
What is the level of heirarchy?
individuals, populations, interactions, community, ecosystem, landscape, region, biosphere
What is an individual?
domain of physiological (study the evolution of physiological and anatomical mechanisms by which org. solve problems physically / chemically in the environment) / behavioral ecology (study evolution of behaviors that allows animals to survive and reproduce when environment changes)
What is a population?
group of individuals of a single species in a an area
What do interactions deal with?
predation, parasitism, competition
What is a community?
association of interacting species
What is an ecosystem?
include physical / chemical factors - energy flow / decomposition, multispecies systems, all ecosystem / communities are open systems subject to exchange
What is a landscape?
a heterogeneous area consisting of distinctive patches, or elements organized into a mosaic pattern
What is a region?
What is a biosphere?
portions of earth that support life (global ecosystem)
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