eBio20cSYNKs - 10 11 AM Review Session Humanities SYNK Week...

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10 - 11 AM Review Session @ HumanitiesSYNK Week 6Introduction to ecologyEcology: definition of, central goals of.- The study of how organisms interact with their environment- Central goals: 1. Understand abundance/distribution of organisms 2. Recognize/explain patterns in natureAbiotic vs biotic environment, abiotic vs biotic interactionsAbiotic: Living organisms, interactions between organismsBiotic: Non-living organisms, interactions between living and non-living environmentLevels of ecological study: organismal, population, community, ecosystemOrganismal: Interactions between individual and environment; considers morphology, physiology, behaviorPopulation: Individuals compete with each other for a set pool of resources; goal is to understand mechanisms regulating population growth, looks at interactions between members of a populationCommunity: Community is all the organisms that interact within an area, focuses on interspecific interactions (how they affect fitness), community structure (how it’s put together) and community response to disturbanceEcosystem: Biotic and abiotic interactions, an ecosystem are all organisms in an area and abiotic environment, focuses on nutrient cycles, energy flowClimate vs weather: definition of, relationship between, effects (direct vs indirect) on organisms

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