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  1. ...of age, the eyes produce and store enough melanin to have their natural shade . While changes in eye color of infants are more common, even in adults, eye color ...

    分類:科學及數學 > 生物學 2007年02月24日

  2. ...know why these unusual bears are black and white, some speculate that the bold coloring provides effective camouflage into their shade -dappled snowy and rocky surroundings. The panda's...

    分類:科學及數學 > 生物學 2007年01月16日

  3. ... dorsal surface is green of varying shades , and its ventral surface is white. The... frogs are typically brown in color and turn greener as they mature, although adult ...

    分類:科學及數學 > 生物學 2008年10月21日

  4. ...have one to four dark spots inside the open spots. The background color of the leopard's coat varies from shades of yellow through a reddish brown, with some albino, although quite rare, specimines...

    分類:科學及數學 > 生物學 2008年11月16日

  5. ... the wrong impression red only, in fact the cow is color blindness, but they have in the attack migration the object inborn tendency...be recalled, the people not only to pursue food perhaps shade body's clothing, started at that time...

    分類:科學及數學 > 生物學 2008年02月05日