Mandisa always picked up her infant daughter when she screamed because she couldn't have the toy she wanted. as a result, her daughter screams whenever she doesn't get her way. in this case, picking up the infant served as a( n ) for screaming.

In the case above, picking up the infant served as a negative reinforce for screaming in which a negative reinforce is engaged in order to stop a certain behavior or an outcome that is considered negative in which picking up the infant is a way of preventing a negative outcome such as screaming.

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.