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There has also been a constant pressure from the oceanic plates to the east and
the north, and as a result, island chains have formed, producing an offshore
fringe of archipelagoes around the main continent. The movement has also given
Thereafter the bottom topography drops off quickly and the sea bed slopes down
to the abyssal plain, the surface of the oceanic plates. Deeper portions still are
found in the oceanic trenches, elongated indentations in the ocean floor where ...
This term has largely been replaced by the concept of plate tectonics, q.v.
continental shelf The edge of a continent that is covered bv shallow sea.
convergent evolution The process whereby unrelated organisms evolve the
same shape to ...
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The new dinosaurs: an alternative evolutionUser Review - Not Available - Book Verdict
Many sf writers have created worlds where dinosaurs still walk the earth, but Dixon's new book pursues the premise in the most realistic way yet. In After Man: A Zoology of the Future (LJ 10/15/81 ... Read full review
the new tree of life
the new dinosaurs
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