“I’ve been reading ‘The New Wild,’ by Fred Pearce,” she ventured. “He believes invasive non-native species often actually help an ecology, adding diversity which benefits the overall environment, although sometimes replacing weaker species. Perhaps he’s right. After all, that’s the way life on Earth works. Those best fitted succeed.”
“An interesting thesis,” replied the Plutonian ambassador, and one which may have wider application than Earth alone.
“By the way, did I tell you my family is arriving tomorrow?”