Answer:
self-abusive systems
Step-by-step explanation:
The five main classes of service systems with the systems hierarchy according to Kenneth Boulding are:
Integrative systems: These are systems that promote cooperation and harmony between individuals or groups. They are characterized by positive interactions and mutual benefits.
Exchange systems: These are systems where individuals or groups interact in a market-like fashion, exchanging goods, services, or ideas for mutual benefit.
Threat systems: These are systems where individuals or groups interact in a hostile or aggressive manner, with the aim of gaining power or resources at the expense of others.
Parasitic systems: These are systems where one individual or group benefits at the expense of another, without providing any benefit in return.
Self-abusive systems: These are systems where individuals or groups engage in behaviors that are harmful to themselves, such as drug addiction or self-harm.
Therefore, the correct answer to the question is "self-abusive systems."