To: justlurking
Tobacco evolved it to keep insects from eating the plant.Which begs the question why other plants did not also evolve this safe guard.
20 posted on
09/06/2012 9:09:17 AM PDT by
MEGoody
(You shall know the truth, and the truth shall make you free.)
To: MEGoody
The majority of phytochemicals that plants produce are toxic or distasteful to insects and other animals. Insects adapt pretty rapidly themselves. Other animals avoid the nasty plants when pickings are good and eat them when times are lean.
29 posted on
09/06/2012 9:22:04 AM PDT by
TigersEye
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