Rediscovering what other species have already shown. Change environment and there is rapid change. Just like Reznick's guppies from 1990.-"Our study underlined that evolution can happen on a short timescale and even small 1 to 2 per cent evolutionary changes in the underlying biology caused by your harvesting strategy can have major consequences on population growth and yields."- Read more at: http://phys.org/news/2013-04-environmental-triggers-rapid-evolution.html#jCp