Answer:
Its true, that Invasive Species are a great threat to biodiversity.
Adversity can be strongly referenced to by the novel 'the outsiders' where the main character Ponyboy is faced with many adversities yet still manages to overcome these. He does this by not letting other people around him affect the way he lives his life. He persists and never gives up no matter what the circumstances. And when the day seems as though there is no light left he will keep going. This truly demonstrates a person overcoming adversity
It depends on what other careers you're talk about, they get paid a little lower than what teachers get paid by about ten thousand, so I'd say that the answer to your question is true. Hope this helps! :-)