__Rain Forest___Novanet__
This makes sense because all scavengers eat, but not all eaters scavenge for food.<span />
The main fossil evidence in support of the multiregional and candelabra hypotheses was the discovery of the Dali Man in China. ... Some genetic studies also offered support to a multiregional and candelabra models, inferring the origin of a few genetic loci outside of the African continent.
The answer that fits the blank is the term X-GAL. What is done in a recombinant DNA technology is that DNAs from two different organisms are joined together in order to create a new genetic combination. X-gal is part of gene cloning, therefore, it would be the best to become a selectable marker.