Selected ResourcesThe articles below have been selected especially for clergy from various sections of NCSE's website as entry points into topics of interest. |
Voices for Evolution Random Image GalleryGallery Male-Male Competition In some species, males engage in complex competitive behaviors, which in many cases necessitate growth of elaborate ornamental horns. Physical barriers to gene flow Physical barriers can prevent gene flow, or the transfer of alleles of genes, from one population to another. |
