The founders created the Electoral College and specified that senators would be chosen by the state legislatures because. they feared that the people would band together with like-minded people to fight for their own interests rather make choices based on the public good.
The morphological species concept is applicable particularly to situations in which the potential for mating along with postzygotic barriers to reproduction â which together define the biological species concept â cannot easily be determined.he morphological species concept is applicable particularly to situations in which the potential for mating along with postzygotic barriers to reproduction â which together define the biological species concept â cannot easily be determined.
1 Phylogenetic species concept: a species is a tip on a phylogeny, that is, the smallest set of organisms that share an ancestor and can be distinguished from other such sets. 2  Under this definition, a ring species is a single species that encompasses a lot of phenotypic variation. researchers choice of species concept often reflects his or her research focus. Making that decision requires the scientist to commit to a species concept. For most purposes and for communication with the general public, the biological species concept is used.