Trade-offs are fundamentally caused by:
“Finite resources” for trade-offs are fundamentally caused by. This relationship follows from the ecological mechanism represented by the terms in the item, not merely from an association between their names. Survivorship curves summarize age-specific mortality: Type I concentrates loss late in life, Type II approximates a constant hazard, and Type III concentrates loss early. They are empirical patterns, not rigid taxonomic rules. The remaining alternatives—“Hormonal changes”, “Mutation”, “Environmental pollution”—refer to different states, processes, or scales and therefore do not express th
Ref: Plant Strategies and Vegetation Processes, Grime, 2nd Ed.