Sentences with phrase «by natural selection while»

Sir Alfred Russel Wallace, the so - called father of animal geography, formulated his ideas on evolution by natural selection while observing and collecting wildlife in the islands of Southeast Asia.

Comparing the two types of mutations allowed the team to spot genes that have had changes favoured by natural selection while taking into account the background mutation rate.

Not exact matches

Most importantly, while I do agree that common descent is supported by the bulk of the evidence (although admittedly there are difficulties at higher phylogenetic levels), I certainly do not think we have any reason to suppose the process occurred by random mutation and natural selection, the position Prof. Arnhart attributes to me.

And while mankind has somewhat removed ourselves from natural selection by tailoring our environments, morality continues to «evolve».

While the evolutionary biologist might agree that no purpose can be discerned in the physical universe prior to the state at which evolution in the biological sense commenced (that is to say, where entities which are born, reproduce and die and in so doing are subject to natural selection), yet he might argue that evolution by natural selection automatically provides the «purpose.»

Design equations are used to create mutations, while members of the public provide natural selection by deciding the «fitness» of these ideas.

Examining substantial collections of annotated texts dating from the 12th to the 21st centuries, the researchers found that certain linguistic changes were guided by pressures analogous to natural selection — social, cognitive and other factors — while others seem to have occurred purely by happenstance.

While revolutionary new ideas such as evolution by natural selection, or quantum physics, are once - in - a-generation occurrences, the sands of science are continually shifting in less dramatic ways.

Researchers Michael Tobler, associate professor of biology, and Zach Culumber, former university postdoctoral research associate and current postdoctoral researcher at Florida State University, studied 112 species of live - bearing fish and found that males and females evolve differently: Female evolution is influenced more strongly by natural selection and the environment, while male evolution is influenced more strongly by sexual selection, which involves characteristics that females find desirable or that make them superior competitors for females.