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Mekk i

Kmen: Mollusca (mekk??i) . Tr?da: Gastropoda (pl?i)nesegmentovan? telo je cleneno na soumernou nohu a ?trobn? vakNoha ? slou?? k pohybu, vpredu navazuje hlava s ?sty a smysl. org.Hlava ? od chodidla oddel. br?zdou, 1 p?r nezata?iteln?ch tykadel na b?zi s ocima?trobn? vak vytv?r? tzv. pl?t - ko

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Mekk i

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    1. Mekkýši Cvicení ze zoologie

    2. Kmen: Mollusca (mekkýši) Trída: Gastropoda (plži) nesegmentované telo je cleneno na soumernou nohu a útrobní vak Noha – slouží k pohybu, vpredu navazuje hlava s ústy a smysl. org. Hlava – od chodidla oddel. brázdou, 1 pár nezatažitelných tykadel na bázi s ocima Útrobní vak vytvárí tzv. plášt - kožní záhyb (kryje útr. vak), okraj a vnejší strana vylucuje ulitu (3 vrstvy): periostrakum, ostrakum a hypostrakum, plášt trvale skrytý a prizpusobený tvaru ulity mezi pláštem a útrobním vakem - pláštová dutina

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