News tagged with natural selection

How are hybridized species affecting wildlife?

Researchers who transplanted combinations of wild, domesticated, and domesticated-wild hybridized populations of a fish species to new environments found that within 5 to 11 generations, selection could remove ...

Sep 15, 2014 5 / 5 (1) 0

UMSL scholar examines evolution of learning

Why do monkeys learn to be afraid of snakes and not flowers? Is this knowledge the result of evolution by natural selection? Did the monkeys that couldn't learn that association quickly die and not reproduce?

Aug 14, 2014 3.5 / 5 (2) 0

A new type of heredity described in Paramecia

Considered as an obsolete theory for many years, the transmission of acquired traits has returned to the forefront of debate thanks to the development of epigenetic research. In this context, a team from the Institut de biologie ...

May 12, 2014 5 / 5 (3) 0

Getting to the root of enamel evolution

Along with our big brains and upright posture, thick tooth enamel is one of the features that distinguishes our genus, Homo, from our primate relatives and forebears. A new study, published May 5 in the Jo ...

May 05, 2014 4.7 / 5 (3) 1