After voicing his concerns about the growing popularity of creationism among biology teachers, Mr. Berra proceeds to cite, as proof of evolution, examples that are either variations within species &natural selection, or unsubstantiated scenarios.
After voicing his concerns about the growing popularity of creationism among biology teachers, Mr. Berra proceeds to cite, as proof of evolution, examples that are either variations within species &natural selection, or unsubstantiated scenarios.