Which of the following describes a rapidly expanding popularity? 1)many individuals in younger age groups and a declining birth rate 2)many individuals in the reproductive age group and a high death rate 3)a high birth rate and many individuals in the younger age groups 4)high infant mortality combined with a high proportion of post-reproductive individuals

to stay where they were until m sent for

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.