"Two sell whatever is produced" and "To produce whatever is needed by customer" are two concepts of marketting". Name them and difference both the concept.

What are the two key concepts of Darwinism ?

Bending the customer according to the product' and 'Developing the product according to the customer needs' are the two important concepts of marketting management. Identify the concepts and differentiate between the two.

Two key concepts of Darwin theory are :-

The two key concepts of Darwinian theory of evolution are

The two key concepts of Darwinian theory of evolution are

The two key concepts of Darwinian theory of evolution are