noun Ecology.
the animals, plants, fungi, etc., of a region or period.

1900–05; < Neo-Latin < Greek biotḗ life Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
biota (baɪˈəʊtə)
the plant and animal life of a particular region or period
[C20: from New Latin, from Greek biotē way of life, from bios life]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1901, from Gk. biota "life" (see bio-).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

biota bi·o·ta (bī-ō'tə)
The flora and fauna of a region.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
biota   (bī-ō'tə)  Pronunciation Key 
The organisms of a specific region or period considered as a group.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
They'll be looking for the tell-tale signs of large-scale biota.
It seems to me that a diet so dependent on one food source, maize, must require specific biota to aid in digestion.
The present biota is probably the terminal one for life on this planet.
But the review implies that the fact that the biota-free mice, while still biota-free, did not gain weight is significant.
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