My memory (as a layman) was "quorum sensing." Quick Google: https://www.nature.com/articles/s41522-021-00211-w https://www.nature.com/articles/s41522-021-0021

My memory (as a layman) was "quorum sensing." Quick Google: https://www.nature.com/articles/s41522-021-00211-w https://www.nature.com/articles/s41522-021-00211-w https://asm.org/Articles/2020/June/How-Quorum-Sensing-Works https://asm.org/Articles/2020/June/How-Quorum-Sensing-Works https://www.frontiersin.org/articles/10.3389/fmicb.2019.02473/full https://www.frontiersin.org/articles/10.3389/fmicb.2019.0247...