Urban Environments Create Changed Creatures

Nov 15, 2017

Urban dwellers get understandably upset when their homes are invaded by rats or bedbugs or other unwelcome creatures. 

But hardly anybody stops to think that the animals are there BECAUSE the city is there.  And that is very likely the case... many creatures evolved differently because of urban environments. 

Marc Johnson at the University of Toronto just published a paper in Science detailing some of the evolutionary changes apparently forced by urban environments. 

We HAVE to ask about the mosquitoes that live in subways and do NOT need to suck blood for food. 

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