Biota of oceans - ecosystem, Biology

Biota of Oceans - Ecosystem

Life in the sea is not particularly abundant, though the diversity of organisms is very high. Almost every major group of animals and every major group of algae occur-somewhere in the oceans, with the exception of vascular plants and insects. These two have a few marine representatives though they are abundant in estuaries. On the basis of depth-wise differences in life forms, the expanse of marine ecosystems has been divided into littoral, neritic, pelagic and benthic zones.

Posted Date: 1/19/2013 6:22:04 AM | Location : United States

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