Tobacco plant (Nicotiana tabacum) in flower. This plant is native to tropical America. The plant produces the toxic substance nicotine,which protects it from damage by insects and grazing animals. Small doses of nicotine produce a pleasurable stimulus in humans,but habitual use leads to addiction | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gustoimages |
Bildgröße: | 2704 px × 4064 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |