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In kinorhynchs the chords are dorsal and lateral; in nemato- morphs they are
dorsal and ventral. The cuticle of large nematodes may have as many as eight
layers. Some small species have several layers with complex systems of rings,
In this way a layer of maximum concentration of ions or electrons is produced; in
fact, separate layers can be produced corresponding to different constituents of
the atmosphere. The layers overlap, however, so that there is only one distinct ...
The structure of the Bering Sea waters in general is subarctic, characterized by
the presence of a cold intermediate layer with warmer waters above and below.
The surface water is heated during the summer, but a considerable layer of water
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review