Pitch and Frequency are basically the same thing, but frequency can be quantified more easily. (Quantified is assigning a value). A piano may play a pitch of C, but the freque â¦ ncy could be 512 hertz.
Definition of speciesism. 1  1 : prejudice or discrimination based on species; especially : discrimination against animals. 2  2 : the assumption of human superiority on which speciesism is based.
The biological species concept is the most widely accepted species concept. It defines species in terms of interbreeding. For instance, Ernst Mayr defined a species as follows:species are groups of interbreeding natural populations that are reproductively isolated from other such groups..The biological species concept explains why the members of a species resemble one another, i.e. form phenetic clusters, and differ from other species.he biological species concept is the most widely accepted species concept. It defines species in terms of interbreeding. For instance, Ernst Mayr defined a species as follows: