When fishermen take large fish out of the population, they put evolutionary pressure on fish to stay small and mature quickly. (discovermagazine.com)
The amazing variety of human faces — far greater than that of most other animals — is the result of evolutionary pressure to make each of us unique and easily recognizable. (sciencedaily.com)
The study provides information that could help explain how evolutionary pressures have affected body shape among sand - dwelling animals. (sciencedaily.com)