Which type of economic system relies on hunting gathering herding and farming to maintain self sufficiency

This is a traditional system, before money even. It involved bartering too: the direct exchange of goods, such as eggs in exchange of bread, where both people had to agree on how much they think is a good price.

The answer to the question: This system is:, would be: it is a system based on meritocracy, and it is known as a standardized test system, or benchmark testing.

Explanation:

Although nowadays standardized testing has been questioned as an effective method of evaluating the evolvement of a student in his learning process, the truth is that it is still one of the most used systems of evaluation today. The standardized evaluation system, or benchmark testing system, allow a teacher to ensure that all students, especially where there are large numbers, reach an acceptable level of comprehension, before they are allowed to move forward. The problem here lies in the fact that not all students have the same skills and talents, and they learn at different paces. But, benchmarking allows the teacher to understand the basic things he/she needs to know about particular students, even in cases of special needs and abilities, without having to overexert, or device a plan for several numbers of students.