Google Trends for parasitic symbiosis etal seems interestingly different for US[1] and Worldwide[2], suggesting the possibility of regionally divergent usage.

Google Trends for parasitic symbiosis etal seems interestingly different for US[1] and Worldwide[2], suggesting the possibility of regionally divergent usage. [1] https://trends.google.com/trends/explore?date=all&geo=US&q=%22parasitic%20symbiosis%22,%22commensalism%20symbiosis%22,parasitic%20symbiosis&hl=en-US https://trends.google.com/trends/explore?date=all&geo=US&q=%... [2] https://trends.google.com/trends/explore?date=all&q=%22parasitic%20symbiosis%22,%22commensalism%20symbiosis%22,parasitic%20symbiosis&hl=en-US https://trends.google.com/trends/explore?date=all&q=%22paras...