Which of the following sociological theories views deviance as necessary for society and contributing to its overall stability?

a. conflict theory
b. functionalist theory
c. interactionist theory
d. control theory

B- functionalist theory

Explanation:

Functionalism posits that society is more than the sum of its parts; rather, each aspect of it works for the stability of the whole. ... In functionalist theory, the different parts of society are primarily composed of social institutions, each designed to fill different needs

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.