The survival of the fittest is an idea promoted by
a. charles darwin.
b. carl jung.
c. karl marx.
d. friedrich nietzsche.

The survival of the fittest is an idea promoted by Charles Darwin. The correct option among all the options given in the question is option "A".Charles Darwin was born on 12th of February in the year 1809 and died on 19th April in the year 1882. Charles Robert Darwin was not only a geologist but was also an English naturalist. He is remembered around the world for his work concerning evolutionary theory. The famous book wrote by Darwin in support of his theory was “On the Origin of Species” in the year 1859. 

The Correct Answer is A

Charles Darwin.

Explanation:

The survival of the fittest

The Concept of fitness which Darwin argued was the central to the process of evolution by natural selection. The Individuals who are the best fit for the environment at the moment or situation of time will survive.If the environment changes then the traits that are the most fit will change.Fitness does not always relate to the strongest and the biggest.