In the first picture, we can see clearly a larger population of prairie dogs than in the second one (10 years later). If we look at the possible explanations of this, we have one that says that the immigration state remains stable and the birthrate increased, this one cannot be, because one of the rates increased, therefore, it´s expected an increase or at least a stable number of individuals. C statement says that inmigration and birth rate increased, so just like the previous statement, this cannot be, an increase in population numbers would be expected. D statement, mentions a new rate, death rate, however, this one decreased, meanwhile, immigration remained stable, this one cannot explain it either because
