All of the following are methods for non-native species to move into a new community EXCEPT: Migration
Ballast water of ships
Pet trade
evolution

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

How does human environment effect the biosphere

What molecule contains an organisms genetic material, passed down from parents to their offspring