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ID number:432720
 
Evaluation:
Published: 18.06.2012.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Baktēriju nozīme:
Pūšanas baktērijas – organisko vielu noārdīšana
Izraisa rūgšanas un skābšanas procesus.
Gumiņbaktērijas saista gaisā esošo slāpekli un pārvērš to augiem pieejamā formā.
Fotosintozējošas baktērijas papildina barības vielu un skābekļa krājumus uz Zemes.
Ciānbaktērijas izmanto kā ūdens kvalitātes indikatoru.
Zarnu nūjiņas ražo K vitamīnu, folijskābi.…

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