Which of the following terms refers to the development of individual offerings that appeal to different market segments while remaining closely related to the existing product line? '

You have not given any options to chose from but seemingly the answer is Line Extension.

This happens when a company introduces additional items in the same product category under the same brand name such as new flavors, forms, colors, added ingredients, package sizes, etc..

Explanation:

answer; tech (a) is correct;

lives by a moral and ethical code