He believed eugenics study needed to look at and understand the biological aspect of the practice.
"But it quickly goes beyond its biological aspect and basically runs riot through our lives."
The results of this were published in 50 volumes covering biological, physical and geological aspects.
The property was assessed for its archaeological, architectural, biological, cultural, environmental, and historical aspects.
From a marketing point of view, sexuality can have biological, emotional/physical or spiritual aspects.
In fact this biological aspect of the project is soon to be closed down.
Human sexual activity has biological, physical and emotional aspects.
Research is now showing that there may be a biological aspect to day trading.
The two boobies probably split off from each other in the recent past, because they still share a lot of ecological and biological aspects.
In social studies, exogamy is viewed as a combination of two related aspects: biological and cultural.