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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gustoimages |
Taille de l’image : | 2704 px × 4064 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |