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22. Nov 2019

April 18, 2012
by Guest Post
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Escalating Arms Race: Predatory Sea Urchins Drive Evolution

ANN ARBOR, Mich.— Nature teems with examples of evolutionary arms races between predators and prey, with the predator species gradually evolving a new mode of attack for each defensive adaptation that arises in the prey species. These adaptations are often … Continue reading

January 3, 2011
by Guest Post
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What Triggers Mass Extinctions? Study Shows How Invasive Species Stop New Life

*Collapse of Earth’s marine life 378 to 375 million years ago holds key* An influx of invasive species can stop the dominant natural process of new species formation and trigger mass extinction events, according to research results published in the … Continue reading