You can infer there is a big population of sierra leone
As of 2013 the population of sierra leone is 6.092 million and is increasing.
Aquatic ecosystems can be classified as freshwater and marine ecosystems.
Plants use rigid cell playes to divide
Due to divergent evolution, some species may have similar anatomical structures with the same purposes. The species while not exactly similar are close enough to allow the interbreeding of the two, such as the horse and mule
