Plant Biosystems: From conventional to new Food production systems -- Agriculture for nutraceuticals -- The Plant immune system and Food Production -- Mathematical modelling for Biosystems -- Plant Biotronics as tool for Food Production Biosystems.-Exploring aquaculture as Food Biosystem -- Prototypes for aquaculture-plant Biosystems -- b.3. Aquaculture Biotronics -- Perspectives of Biosystems as sustainable strategy for Food Production in century XXI -- Concluding Remarks.