(tco 1) when people base their views on beliefs that may not be based in reality, they are behaving

I believe the answer is: Irrationally

Irrational behaviour refers to the type of behaviour that derived from illogical train of thought. This type of behaviour usually arise when people decided to hold on a to a certain belief regardless of existing evidence that disprove their belief (very common among religious followers)

the first one is d and the second a

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.