New Study: Polar Bears Survived Previous Warm Periods – ‘It seems logical that if polar bears survived previous warm, ice-free periods, they could survive another’ – Published in Journal of Heredity
New Study: Polar Bears Survived Previous Warm Periods http://www.thegwpf.org/new-study-polar-bears-survived-previous-warm-periods/ The evolutionary history of the polar bear includes a common ancestor with black and brown bears. Studies show that black and brown bears split first as separate species, and then polar bears separated from brown bears. What currently occupies evolutionary biologists is the question of how […]