Answer:
The microsystem
Step-by-step explanation:
Urie Bronfenbrenner developed the ecological system theory, he opined that a child's development is affected by the world around them and he divided the person's environment into five different levels: the microsystem, the mesosystem, the exosystem, the macrosystem, and the chronosystem.
The microsystem the everyday, immediate environment in which children lead their daily lives such as home, school and daycare.