Saturday, September 19, 2009

Seashore Ecosytems

Beaches can be sandy ,rocky ,shell-coveredor muddy,On each of these different types,there are several specific species which have envolved to occupy a seperate niche.There are different crustanceans,sucha sa crabs,that make holes in the sand,Various shore birds feed on their pry by probing in to the sand or mud on the seashore.Several different species of fish are caught by fishermen.In many areas the fish catch has decreased over the last tow decades.

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