Vincent van Gogh Wheat Field 1889

Vincent van Gogh Wheat Field 1889Vincent van Gogh Road with Cypress and StarVincent van Gogh Olive Trees 1889
Shown clockwise from upper left, the Bluehead wrasse (Thalassoma bifasciatum), Northern shrimp (Pandalus borealis), Common slipper shell (Crepidula fornicate) and Whip coral goby (Bryaninops yongei) are examples of some A report by Yale scientists in the March issue of The American Naturalist says that while this process is evolutionarily favored, its animals that change their sex.Most animals, like humans, have separate sexes — they are born, live out their lives and reproduce as one sex or the other. However, some animals live as one sex in part of then switch to the other sex, a phenomenon called sequential hermaphroditism. What remains a puzzle, according to Yale scientists, is why the phenomenon is so rare, since their analysis shows the biological "costs" of changing sexes rarely outweigh the advantages.