Ecology definitions

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  • Ecology definitions
    • Ecology: All the living and non-living components and how they interact within a habitat
    • Habitat: A place where an organism lives
    • Population: All of the same species in the same habitat and the same time who can interbreed
    • Community: all the organism of different species, in the same habitat which interact with each other
    • Biotic factors: Factors caused by living components e.g. food/ disease
      • Abiotic factor: Factors caused by non-living componants  e.g. temperature/ pH of soil
    • Niche: The role an organism plays in an ecosystem e.g. what they eat/ how they reproduce
    • Producers: Convert light energy into chemical energy to supply other organisms.
      • Consumers: feed on another organisms
        • Decomposer: Feed on waste or dead material as nutrients are trapped in waste material and it allows them to be recycled
    • Mutualistic: The way in which two organisms benefit each other
    • Primary succession: Break up the rock surface so a pioneer species takes form. More organic matter builds up to become stable and has a dominant species
    • Secondary succession: Existing community is cleared and plants begin to grow
    • Deflected succession: Grazing, mowing or burning and human activity prevents succession from happening
    • Anthropogenic factors: Can be biotic or abiotic factors arising from human activity


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