A new, massive study highlights the part that humanity now plays in driving present day evolution on Earth.
Humanity is driving evolution on Earth. At least, that’s what a new project involving 287 scientists across 160 cities in 26 different countries has suggested. That research suggests that over the past few thousand years humanity has not only driven the direction of the Earth’s climate, but that it has also driven the direction of life itself on our little planet.
The researchers collected over 110,000 samples from those cities and found that clover in one city was more similar to those found in other cities around the world than the clover found outside the city in nearby farmlands. This similarity, the researchers say, is an example of parallel adaptive evolution, where separate populations are shaped by similar pressure to match specific traits.
This, then, shows just how humans and the influence they have on the world around them are shaping these traits, and therefore driving the direction of evolution on Earth more than natural phenomena like population genetics and climate. It’s an intriguing discovery, but one that isn’t really that surprising.
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