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Humans Drive Evolution Of Conch Size
2014-03-19 15:47:45

Smithsonian Tropical Research Institute The first humans to pluck a Caribbean fighting conch from the shallow lagoons of Panama's Bocas del Toro were in for a good meal. Smithsonian scientists found that 7,000 years ago, this common marine shellfish contained 66 percent more meat than its descendants do today. Because of persistent harvesting of the largest conchs, it became advantageous for the animal to mature at a smaller size, resulting in evolutionary change. Human-driven evolution...

75e36661fb7c9f4689a34338d09eea801
2010-08-31 10:56:34

In a counter-intuitive finding, new research from North Carolina State University shows that a species of shellfish widely consumed in the Pacific over the past 3,000 years has actually increased in size, despite "“ and possibly because of "“ increased human activity in the area. "What we've found indicates that human activity does not necessarily mean that there is going to be a negative impact on a species "“ even a species that people relied on as a major food source,"...


Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'karpos', fruit.
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