Schimper, Andreas Franz Wilhelm (1856-1901) A German botanist and ecolo-gist who was a professor at the Bonn paths in the same direction j I-den changes at the leading edge of the school are followed almost instanta¬neously by the remainder of the group, with the fish on the flank becoming the new leaders. In general, the overall size and shape of the school, as well as the cruising depth and speed, vary from one species to another.
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