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Lecture Notes for BSCI 124 - PLANT BIOLOGY with Moctezuma at Maryland (UMD)

Notes Information

Material Type:Study Guide 3
Professor:Moctezuma
Class:BSCI 124 - PLANT BIOLOGY
Subject:Biological Sciences Program
University:University of Maryland
Term:Fall 2008
Keywords:
  • Extirpation
  • Background Extinction
  • Ecological Hierarchy
  • Growing Season
  • Control Structure
  • Terrestrial
  • Causes of Cancer
  • Ecological Approach
  • The Environment
  • Environment
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Sample Document Text

BSCI 124 Final Study Guide Ecology: study of effects of the environment on living organisms Plant ecology: interaction among plants Ecological hierarchy: Organisms – Populations – Communities – Ecosystems – Biosphere Population: members of single species Habitat: location where population is found – It’s ADDRESS Niche: functional role of an organism Plant Community – different populations of plants living together Dominant Species – most influential (redwood forest) --- Control, structure, species Physical: light, wind, humidity Chemical: nutrients, pH Ecosystem – functional unit of study in environment Biotic – living organisms Level of food chain – Trophic Level – energy lost at each level Biomass and fungi decomposers Food web more realistic: interactions between several food chains Abiotic factors: non-living components: climate, light, soil Biogeochemical factors – carbon, water, nitrogen cycle Carbon cycle: Carbon dioxide enters through phosphorus – Photosynthesis Water cycle...

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