Earth Science > QUESTIONS & ANSWERS > IB ESS Topic 2.1, 100% Coverage, Easy Revision guide, rated A+ (All)
IB ESS Topic 2.1, 100% Coverage, Easy Revision guide, rated A+
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IB ESS Topic 2.1, 100% Coverage, Easy Revision guide, rated A+ food chain - ✔✔-diagram showing flow of energy from one organism to another food web - ✔✔-diagram showing an ecosystem that c... ontains many interconnected food chains Biotic - ✔✔-the living components within an ecosystem (the community) Abiotic - ✔✔-the nonliving factors of the ecosystem (the environment) Producers - ✔✔-organisms that can produce their own food, convert abiotic components into living matter consumers - ✔✔-organisms that eat other organisms to obtain their food levels of consumers - ✔✔-primary, secondary, tertiary, quaternary pyramid - ✔✔-graphical models showing the quantitative differences between the trophic levels of an ecosystem trophic level - ✔✔-the position that an organism or group of organisms occupy in a food chain pyramids of numbers - ✔✔-record the number of individuals at each trophic level pyramids of biomass - ✔✔-represents the amount of biomass each trophic level at a particular point in time, measured in grams per meter squared or joules per meter squared pyramid of productivity - ✔✔-shows the flow of energy (rate at which biomass is being generated) at each trophic level. Measured in mass or energy per meter squared per year DDT - ✔✔-synthetic pesticide that is strongly absorbed by soils. Not very so [Show More]
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