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1. "Darwin Day 2021: Celebrating Charles Darwin's Scientific Achievements" - ScienceAlert, February 12, 2021 2. "Charles Darwin's Theory of Evolution: What You Need to Know" - Live Science, February 12, 2021 3. "Charles Darwin: A Brief Biography" - National Geographic, February 12, 2021 4. "Charles Darwin: The Father of Modern Evolution" - Smithsonian Magazine, February 12, 2021 5. "Charles Darwin: His Life and Legacy" - BBC News, February 12, 2021 6. "Charles Darwin and the Origin of Species" - The New York Times, February 12, 2021 7. "Charles Darwin's Theory of Evolution: What You Need to Know" - US News & World Report, February 12, 2021 8. "Charles Darwin: The Man behind the Theory of Evolution" - CNN, February 12, 2021 9. "Charles Darwin: His Life and Impact" - Encyclopedia Britannica, February 12, 2021 10. "Charles Darwin and the 'Origin of Species': A Look at His Life and Work" - TIME, February 12, 2021
They say that hindsight is 20/20, and though the theory of ecological speciation—which holds that new species emerge in response to ecological changes—seems to hold in retrospect, it has been difficult to demonstrate experimentally, until now.
They say that hindsight is 20/20, and though the theory of ecological speciation -- which holds that new species emerge in response to ecological changes -- seems to hold in retrospect, it has been difficult to demonstrate experimentally, until now. Biologists have identified a key connection between ecology and speciation in Darwin's finches, famous residents of the Galapagos Islands, Ecuador. Prior work on these birds had established that birds' beaks adapt to changing ecological environments, and that beak changes affect how the birds sing. But, until this paper, no one has yet been able to experimentally show that such changes drive the emergence of new species. The innovative key to this discovery? The ghosts of future finches.
Carla Vázquez-González, University of California, Irvine & Misión Biológica de Galicia (CSIC), discusses her article: Testing the contribution of vertebrate predators and leaf traits to mainland-island differences in insect herbivory on oaks Insularity research on plant-herbivore interactions Islands have long fascinated evolutionary ecologists, beginning with the early observational studies of naturalists like Charles Darwin and…