Try to collect all the currently accepted meanings for the word 'species'. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand and bacteria on the other hand.
In organic terms, species is the primary taxonomical rank. It may be described as a set of comparable organisms which are able to interbreeding beneathneath herbal situations to provide fertile offsprings. Therefore, a collection of comparable people which might be respectively remoted shape a species. Species also can be described as organization of people that percentage the identical gene pool.