Here's why:
* Species is the fundamental unit of biological classification. It is defined as a group of organisms that can reproduce with each other and produce fertile offspring.
* While there are other terms like "genus," "family," "order," etc. that encompass broader classifications, "species" is the most specific and refers to the original "type" of organism.
However, it's important to note that the concept of "originally created" can be interpreted in different ways depending on your perspective:
* Evolutionary perspective: In this view, species are not created but evolve over time through natural selection and other mechanisms.
* Creationist perspective: This view often believes in a divine creator who established distinct species at the beginning of life.
Regardless of your perspective, the term species is the standard scientific term for a distinct type of organism.