Edge species view available hint(s) edge species are all nest parasites exist only in areas that have been altered by humans require the unique homogenous edge environment decrease biodiversity may require conditions found in both of the borde

I think Edge species may require conditions that are found in both the bordering ecosystems. These are organisms that are evolutionarily distinct and endangered globally, they are considered to be one of a kind are nearing extinction, therefore, scientists are trying to preserve them using projects that will aid conservation efforts. 

D, capsid protien, its the protein shell of a virus.