That they are rich and poor that means more money and less money
False, because living things can easily adapt to new or different ecosystems.
Is this about a book? What book? Maybe someone can help if they know if there’s a book.
I think it is called a paradox. A paradox is when something seems to contradict itself, but is actually a correct statement. Think of the song "Paradox" from Pirates of Penzance, it is all about an incident that seems to be false yet is true!