Hi, A considerable number of species ( outnumbering the positive trend species ) are in real danger of extinction, while the places they live and communities that are valuable to biological diversity face great pressures. This seems like the kind of sentence that is a lot easier to understand when you see it in context. the positive trend species This phrase needs to have been defined in an earlier part of the text.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.