It is placed in roughly chronological order of biological and social development in the human life cycle.

Third, why is the Empire discouraging the biological and technical development of what might be called appropriate technology?

As well as its implication in many diseases, it is an integral part of biological development.

He is remembered for his studies involving the biological development of various animals.

She argues that through biological development there is a possibility of having five sexes instead of two.

Everything else about him was a normal biological development.

To cure mental illness, therefore, we must restore sexuality to its natural place in our biological development.

These cells provide a platform by which researchers can study basic biological development and disease progression.

Such discoveries can provide information useful for understanding the evolutionary history of the processes of biological development.

(2) 1900-1910/1920: Stressed the importance of the biological sexual development of the child.