Understanding Evolution

Microevolution

House sparrows have adapted to the climate of North America, mosquitoes have evolved in response to global warming, and insects have evolved resistance to our pesticides. These are all examples of microevolution — evolution on a small scale.

Here, you can explore the topic of microevolution through several case studies in which we've directly observed its action.

We can begin with an exact definition.

Microevolution is evolution on a small scale.

 

View this article online at:
http://evolution.berkeley.edu/evolibrary/article/evo_36

Understanding Evolution © 2015 by The University of California Museum of Paleontology, Berkeley, and the Regents of the University of California