Plankton is the basis for the entire marine food web - and it is under threat. From the Mediterranean to the Pacific, animals have been struggling to survive, due apparently to changes with plankton.
Food chains represent the greatest interdependency within the webs of life. The marine food chain, for instance, is essential for oceans - and depends on plankton. But environmental changes and
- and therefore all marine animals.
According to a
the biomass of sardines and anchovies has been decreasing at alarming rates in the Mediterranean Sea
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