ANSWERS: 2
  • There are around 3,248,510,000. This was calculated with the estimated 3,248,080,000 as of the end of 2005 with an annual increas of 1.14% http://www.xist.org/earth/pop_gender.aspx
  • please be a little more vague? human, mammals, birds, fish, plants, all species. A good guess would be about half +/- 10 percent? 320,414,245,127 metric tons.

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