Ecology - The study of the interactions between living things and between organisms and their environment , Biosphere - Part of the planet containing living organisms, Ecosystem - Group of organisms that interact with their environment as a unit, Habitat - Place where an organism lives , Population - all members of the same species living in an area , Community - All the different populations/organisms in an area , Abiotic Factors - Non Living factors e.g. temperature, pH, wind speed , Biotic Factors - Living Factors e.g. competition , Climatic Factors - Factors which refer to weather over a long period of time , Edaphic factors - Factors which relate to the soil , Producer - Organisms that carry out photosynthesis e.g. bladder wrack, Flora - Plants in an ecosystem , Fauna - Animals in an ecosystem , Consumers - Organisms that take in food made by other organisms e.g limpets , Decomposers - Organisms that feed on dead organic matter e.g. bacteria and fungi of decay , Detritus - Organisms that feed on small pieces of dead organic matter , Food chain - Sequence of organisms in which each one is eaten by the next member in the chain, Trophic level - Feeding level in a food chain , Food Web - 2 or more interconnected food chains , Pyramid of numbers - Represents the number of organisms at each trophic level in a food chain , Nutrient recycling - The way in which elements (such as carbon and nitrogen) are exchanged between living and non living components of an ecosystem , Nitrogen Fixation - The conversion of atmospheric nitrogen to ammonia/ammonium or nitrates, Nitrification - Conversion of ammonia to nitrites and then nitrates, Denitrification - Conversion of nitrates to atmospheric nitrogen , Niche - Functional role an organism plays in an ecosystem , Pollution - Any harmful addition to the environment , Conservation - Wise management of the existing natural resources in an ecosystem in order to maintain a wide range of habitats and prevent the death and extinction of organisms , Qualitative Study - Records the presence or absence of an organism , Quantitative Study - Records the number of organisms that are present ,

Ecology Definitions

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