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.
Freebase(0.00 / 0 votes)Rate this definition: Species diversity is the effective number of different species that are represented in a collection of individuals. The effective number of species refers to the number of equally abundant species needed to obtain the same mean proportional species abundance as that observed in the dataset of interest.