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ecosystems

study for yearly exams

TermDefinition
abiotic Non-living parts of ecosystems
biotic living parts of ecosystems
consumer cannot create own energy. relies on other oranisms for energy
produers can produce their own energy via photosynthesis
decomposer break down dead organisms, faeces + waste & returns the matter to the environment
food web a way to represent tranfer of energy as organisms feed off each other. made of many food chains.
biomass pyramid a way to represent the total amount of mass at each consumer level.
biomagnification increasing amounts of pollutants being digested as you move up a food chain
deforestation clearing of land by removing large numbers of trees.
conservation saving or protecing environments for future, eg national parks
sustainablility balancing our need for sources with the need to protect and conserve the environment
Created by: bingle_24