Normally you would expect plant defences to increase, the closer you get to the equator. This is where insect life is more active, and so more defence against herbivores are needed. But is this always the case? Xoaquín...
The growth–differentiation balance hypothesis states that there is a physiological trade-off between growth and secondary metabolism. Cella Pizarro and Bisigato (pp. 297–307) investigate the response of six species...