Shell (weight, density, thickness, crushing force, amino acid content) and so...

Inducing defenses to deter predators is a necessary process theorized to incur costs. Although studies have investigated defense trade-offs, quantifying trade-offs is...诱导防御机制的产生以抵御捕食者，是一种经理论推演可知会付出相应代价的必要过程。尽管已有多项研究针对防御权衡（trade-off）展开了探讨，但对该权衡进行量化的工作仍是……