Sunday, February 5, 2012

Elephants Took 24 Million Generations to Evolve From Mouse-Size - Ker Than - National Geographic News

and found that, for mammals, getting big takes longer than shrinking.

It takes a minimum of 1.6 million generations for mammals to achieve a hundredfold increase in body size, about 5 million generations for a thousandfold increase, and about 10 million generations for a 5,000-fold increase, the team discovered.

For land mammals, odd-toed ungulates

View the Original article

No comments:

Post a Comment

What's your opinion?