Search Results for: Vertebrates

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1,545 results

1,545 results for: Vertebrates

  1. Fossil Jaw Tells Tale of Whale Evolution

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  2. Growing Nerve Fibers Get Some Guidance

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  3. The Genes Fit but the Bodies Don’t

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  4. MRI Provides Glimpse into Ancient Bones

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  5. Carp Grow Potbellies to Foil Predatory Fish

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  6. “Artificial Skies” Show Southern Stars

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  7. Color Changes in Fish Determined by Half an Eye

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  8. Fossil of Unknown Mammal Discovered

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  9. Fossilized Jaw First Sign of Land Mammals in Antarctica

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  10. Cancer Genes, Growth Factors and the Multi-Step Process

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  11. Enormous Canyon Discovered in Unexplored Mexico

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  12. 19299

    This article could leave the impression that the evolutionary significant unit (ESU) is the de facto concept employed for all listing decisions under the Endangered Species Act. In fact, the ESU has not been used in the vast majority of recent listing decisions under the act. Nor should it be. The act allows the National […]

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