Pollen grain,computer illustration. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete),and initiate the formation of a seed for a new plant | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Kulyk, Mehau |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |