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SlideshowReport

Animals and plants of the intertidal zone adhering to their rocky surface.

Description
(a) The brown alga (Laminaria digitata) has a holdfast that enables it to cling to the rock surface. (b) The mussel (Mytilus edulis) attaches to the surface of a rock by proteinaceous threads (byssal threads) that extend from the animal's muscular foot.
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