If mankind wipes itself out, what species will become the dominant life form, and why?

Will there be a day in the future when the human race as we know it will cease to exist? Maybe we will destroy ourselves leaving the planet to the animals that survive. Possibly we could create our replacements as many Sci-Fi movies depict. Or could the inheritor of our planet be from out of this world? Who... show more Will there be a day in the future when the human race as we know it will cease to exist? Maybe we will destroy ourselves leaving the planet to the animals that survive. Possibly we could create our replacements as many Sci-Fi movies depict. Or could the inheritor of our planet be from out of this world?

Who will inherit the Earth?
Update: Yahoo! Answers staff note: This is the real Jonathan Ross. Look here for more detail: http://uk.blog.360.yahoo.com/blog-qT1KKPQoRKdVT4lowpJCljbFokkuIzI8?p=888
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