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Evolutionary Biology

Evolutionary Biology

    • Virus Featured Article Virus Virus

      A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional... More »

    • Pliocene Featured Article Pliocene Pliocene

      Editor's note: The Pliocene is the period of the geologic timescale that spans the era from approximately 5.331 to 2.588 million years ago. It preceeds the Pleistocene and is... More »

    • Extremophile Featured Article Extremophile Extremophile

      An extremophile is an organism adapted to unusual limits of one or more abiotic factors in the environment. Some of the extreme conditions are temperature, pH, high salinity, high... More »

    • Fern Featured Article Fern Fern

       A fern is any one of a group of about 12,000 species of vascular plants[1] Lacking flowers and seeds, ferns reproduce by spores; otherwise, ferns have the major... More »

    • Edenic Period Featured Article Edenic Period Edenic Period

      Definition The Edenic Period is a span of time in which prehistoric speciation and extinction rates were deemed to be in average long term equilibrium, before the... More »

    • Evolution in Action Featured Article Evolution in Action Evolution in Action

      ?Main Image: Scientists have found a population of tropical butterflies that may be on its way to splitting into two distinct species based on wing color and mate preference.... More »

    • Epigenetics: The Science of Change Featured Article Epigenetics: The Science of Change Epigenetics: The Science of Change

      Researchers, physicians, and others have investigated the dark crevices of the gene, trying to untangle clues that might indicate that gene function could be altered by more... More »

    • DNA Featured Article DNA DNA

      Deoxyribonucleic acid (DNA) is a long chain organic molecule that contains the coding for all metabolic and reproductive processes of all living organisms, save for certain... More »

    • Adaptations of desert birds and mammals Featured Article Adaptations of desert birds and mammals Adaptations of desert birds and mammals

      Have you ever wondered how animals can live in a hostile desert environment? Water, so necessary for life processes, is often scarce. Temperatures, which range from freezing to... More »

Recently Updated
Vertebrate Last Updated on 2012-05-24 at 14:59 A vertebrate is any organism from the phylum chordata which specifically exhibits a backbone structure. To date approximately 58,000 species of vertebrates have been... More »
DNA Last Updated on 2012-05-24 at 13:15 Deoxyribonucleic acid (DNA) is a long chain organic molecule that contains the coding for all metabolic and reproductive processes of all living organisms, save for certain... More »
Sea of Japan Last Updated on 2012-05-16 at 12:37 The Sea of Japan (also East Sea) is a marginal sea of the western Pacific Ocean between the coasts of Korea (North and South) and Russia on the Asia mainland and the islands of... More »
Stomata Last Updated on 2012-05-13 at 00:52 Stomata are minute aperture structures on plants found typically on the outer leaf skin layer, also known as the epidermis. They consist of two specialized cells, called guard... More »
Proterozoic Last Updated on 2012-05-07 at 17:43 The Proterozoic eon is a time in the Earth's history that occurred from 2.5 billion to 543 million years ago. Many important events in the geologic history of the Earth... More »
Genetic responses of arctic species to changes in... Last Updated on 2012-05-07 at 13:26 This is Section 7.3.4 of the Arctic Climate Impact Assessment Lead Author: Terry V. Callaghan; Contributing Authors: Lars Olof Björn, F. Stuart Chapin III,Yuri... More »
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