Members of different species living together are called:

1. Ecologists need one word for members of the same species and another for members of different ones. 2. Ecologists also study interactions among various species. 3. Members of different species are called heterospecifics. 4. The counterpart term for the same species is conspecifics. _Source: OpenStax Biology for AP(R) Courses (CC BY 4.0), Ch 35 'Ecology and the Biosphere', sections 35.1-35.5_