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Lecture 14 THE BIOSPHERE. Rocky and sandy coastlines. Intertidal zone; along rocky and sandy coastlines. Intertidal zone inhabitants are alternately exposed & submerged; existence is difficult. Rocky shores have three vertically arranged zones: Upper littoral Mid-littoral Lower littoral .
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Rocky and sandy coastlines • Intertidal zone; along rocky and sandy coastlines. • Intertidal zone inhabitants are alternately exposed & submerged; existence is difficult. • Rocky shores have three vertically arranged zones: • Upper littoral • Mid-littoral • Lower littoral.