Question

question 20 of 22. the maintenance of a relatively constant internal environment is called: effector control, homeostasis, positive feedback, negative feedback

Explanation:

Homeostasis is the maintenance of a relatively stable internal environment. A regulatory control system helps in achieving and maintaining this stability. Positive and negative feedback are mechanisms involved in regulation, but homeostasis is the overall concept of maintaining stability. Effector control is part of the regulatory process but not the main concept of maintaining a stable internal state.

Answer:

homeostasis