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b7-ecology (investigating decay (how temp effects rate of decay, 1)…
b7-ecology
investigating decay
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6)once testtubes reached 30 degrees use calibrated dropping pipette to put 1cm of lipase solution into milk and start stopwatch
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food chains
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when plants produce glucose some of it is used to make other biological molecules in the plants (make up their biomass)
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key words
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ecosystem- the interaction of a community of living organisms (biotic) with the non living (abiotic) parts of their environment
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adaptations
structural
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e.g. artic fox has white fur so they are camouflaged against snow. helps them avoid predators and sneak up on prey
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functional
things that go on inside and organisms body that can be related to processes like reproduction and metabolism (chemical reactions)
e.g. desert animals conserve water by producing very little sweat and small amounts of concentrated urine
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decay
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biogas
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microorganisms decay plant/animal waste anaerobically, producing methane
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biogas cant be stored as a liquid (needs to high pressure) so it is used straight away for heating, cooking etc
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global warming
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consequences
higher temps cause sea water to expand and ice to melt causing sea levels to rise, leads to flooding and loss of habitats
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