Polytrichum commune moss
Bildnummer 11527203
| Hair moss. Close-up of a rich growth of hair moss,Polytrichum commune. This moss is common in wet moorland and by woodland streams,where it grows in luscious green clumps before shedding spores. Mosses have a more primitive means of reproduction than higher plants,and do not produce flowers or seeds. Spores germinate into "gametophytes" which form the green part of the moss. Male and female sex organs develop on the gametophyte,and produce sperm and eggs. The male sperm migrate to the female cells through a film of water on the plant's surface. Damp conditions are also needed because mosses have no true roots and depend on their leaves to absorb water and minerals | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Fraser, Simon |
| Bildgröße: | 3176 px × 2606 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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