"a species is a lineage of populations which maintains its identity from other such lineages and which has its own evolutionary tendencies and historical fate." this definition best represents the

This definition best represents the Evolutionary species Concept. From the general lineage concepts species are metapopulations that exchange alleles frequently enough to comprise the same gene pool. A metapopulation is a group of spatially separated populations of the same species that  interact at some level.

C) reflection (i also looked up the other choices just to make sure)