Tobacco plants (Nicotiana tabacum) in flower. This shrub,native to tropical America,is cultivated in the production of cigarettes and tobacco products. 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 / TH FOTO-WERBUNG |
Taille de l’image : | 3054 px × 4586 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |