This Image Shows The Relative Frequency Of Banded And Non-Banded Snails In A Population. If The Frequency Of Banded Snails Decreased To 60% And Non-Banded Snails Increased To 40%, Would You Consider The Population To Be Evolving?. The web page provides a solution to a biology question about the evolution of snails with different banding patterns. No, the population is not evolving.

A population of snails contained 51 % unbanded snails. The web page provides a solution to a biology question about the evolution of snails with different banding patterns. No, the population is not evolving.