NURSING ANM AND GNM

Detailed explanation-1: -Darwin coined the phrase from Herbert Spencer, an English sociologist, and philosopher, who had first said it in his 1864 Principles of Biology book.

Detailed explanation-2: -Herbert Spencer is famous for his doctrine of social Darwinism, which asserted that the principles of evolution, including natural selection, apply to human societies, social classes, and individuals as well as to biological species developing over geologic time.

Detailed explanation-3: -Charles Darwin (1809-1882) and Alfred Russel Wallace (1823-1913) are jointly credited with coming up with the theory of evolution by natural selection, having co-published on it in 1858.