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Among the best known examples are the remarkable ecosystems that flourish at deep-sea vents. Vent communities are not supported by the heat coming out of these vents, but are instead sustained by ...

You will complete ten required practical activities if you are studying GCSE Biology and twenty-one if you are studying GCSE Combined Science. You could be asked questions about the methods ...

Some constituents have weak or no mean spatial structure along the salinity gradient, reflecting spatially distributed sources along the estuary (nitrate) or atmospheric exchanges that buffer spatial ...