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Toiduahelad

Toiduahelad. Andrus Metsma Rapla Täiskasvanute Gümnaasium. 2004. Tootja ja tarbijad. Toiduahela esimeseks lüliks on rohelised taimed, valmistades veest ja mineraalainetest fotosünteesi protsessis orgaanilist ainet, mida kasutavad oma toiduks järgnevad toiduahela lülid.

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Toiduahelad

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  1. Toiduahelad Andrus Metsma Rapla Täiskasvanute Gümnaasium 2004

  2. Tootja ja tarbijad. Toiduahela esimeseks lüliks on rohelised taimed, valmistades veest ja mineraalainetest fotosünteesi protsessis orgaanilist ainet, mida kasutavad oma toiduks järgnevad toiduahela lülid.

  3. Kiskahelas on tootjaks hõljum – lõpptarbijaks haug. Laugahelas kasutab iga lüli eelmise tarbija jääke.

  4. Toiduvõrk.

  5. Arvude püramiidi reegel bentos Fütoplankton zooplankton

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