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ID number:439314
 
Author:
Evaluation:
Published: 16.04.2010.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Uzbūves īpatnības
Mazi izmēri
Augsta simetrijas pakāpe
Kristalizējas
Vairojas tikai saimnieka organisma šūnās
Neaug mākslīgās vidēs, barotnēs
Vīrusu evolūcija
Hipotēzes: vīrusu attīstība noritēja paralēli šūnu attīstībai
vīruss - šūnas parazīts
vīruss – “bēguļojoša DNS”
kosmiskā izcelsme.
Augi
Slimību pazīmes:
Dzelteni plankumi
Krokainas lapas
Punduraugums
Svītraini ziedi.…

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