| Description |
Shows how different species of marine animals or animals and plants develop. Defines symbiosis and commensalism. Illustrates these phenomena with living specimens of crabs, sea cucumbers, and starfish. Demonstrates another marine animal association which involves escape reactions. Uses film clips to show a brittle star-hermit crab reaction and the activities of a sea anemone that swims when touched by a certain starfish. Points out the significance of these reactions and the research being directed toward better understanding of the behavior of seashore animals. (KCTS) Kinescope.
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