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jsonstein@masto.deoan.org ("Jeff Sonstein") wrote:
“fewer insects means fewer pollination visits, which means the effort and energy that a plant is putting in to produce nectar and make itself attractive is going to waste. As it shrinks its petal size and cuts down on making nectar, the diminishing numbers of insects have even less reason to stop by.
Other aspects of the field pansies, including the leaf size and the total size of the plant, hadn't changed significantly across the decades.”