n what you know about trade-offs in plants, in which of the situations below would we predict a plant to invest the mostenergy into chemical defenses?...

Given what you know about trade-offs in plants, in which of the situations below would we predict a plant to invest the most energy into chemical defenses?

Plants growing in nutrient poor soils

Plants that have not encountered herbivore damage in multiple generations

Plants growing in soils of intermediate nutrient availability

Plants growing in nutrient rich soils