Germinating grass seed,coloured scanning electron micrograph (SEM). The majority of the seed comprises a store of starch surrounded by a seed coat (red). This starch provides the embryo plant with the necessary energy for germination. At top right is the emerging leaf shoot and at left are the roots. Germination may be triggered by humidity,temperature or other factors | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 3426 px × 2562 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |