Answer:
b. ecological systems theory
Step-by-step explanation:
Ecological systems theory -
This theory was given by Urie Bronfenbrenner .
It is also known as human ecology theory .
According to this theory , the framework or the design of the ecology or society is given in this theory , referred to as the ecological systems theory .
It gives the five major environmental systems , from which the organisms or people interacts .
Hence , from the given scenario of the question ,
The correct option is b. ecological systems theory .