[ad_1] All major groups of more primitive vertebrates, particularly fish, originated and diversified in tidal, intertidal and subtidal environments, ie, shallow waters close to the coast, for a period of 100 million …
Read More »[ad_1] All major groups of more primitive vertebrates, particularly fish, originated and diversified in tidal, intertidal and subtidal environments, ie, shallow waters close to the coast, for a period of 100 million …
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