The behaviorist approach to language development suggests that plays a key role in learning words and grammar, while the nativists claim that language is predetermined

reinforcement; biologically

Explanation:

The behaviorist approach to language development suggests that reinforcement plays a key role in learning words and grammar, while the nativists claim that language is biologically predetermined. The behaviourist approach to language suggests that students could learn a second language by being taught to produce the correct “response” to the appropriate “stimulus” and they also believe that “infants learn oral language from other human role models through a process involving imitation, rewards, and practice. While the nativists claim that the child is born with an already predetermined template for language.

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.