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lūdzu pasakiet kāds cik Latvijā ir dzīvnieku sugas?
nevaru atrast nekur, ir steidzami vajadzīgs!lūdzu atsaucaties
2, 2009, 22:51kazha
:-:

    Diez vai atradīsi. Par mugurkaulnieku skaitu aptuveni varētu vienoties, lai gan, piemēram, putnu (Aves) sugu skaits dažādos uzziņas avotos ir dažāds. Pamatjautājums – cik bieži jābūt redzētai kādai sugai, lai to uzskatītu par Latvijas faunai piederīgu sugu.

    Savukārt, bezmugurkaulnieku sugu skaitu neviens precīzi nepateiks, jo dažas grupas nav pietiekami pētītas, piemēram, veltņtārpi (Nemathelminthes).

    Vēl, uzrādot kaut vai aptuvenu dzīvnieku sugu skaitu, jānorāda pēc kādas klasifikācijas dzīvie organismi iedalīti – kur iedalīti attiecīgie vienšūņi – pie dzīvniekiem vai kur citur.

    3, 2009, 7:22Zirneklītis
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