New and Used American Eagle RVs For Sale. Current American Eagle inventory - find local, new and used listings from private RV owners and dealers. American Coach American Eagle (79)
Definition of evolve for English Language Learners. : to change or develop slowly often into a better, more complex, or more advanced state : to develop by a process of evolution.
Definition of adapt. 1  transitive verb. : 2  to make fit (as for a new use) often by modification adapt the curriculum to students' needs. 3  intransitive verb. : 4  to become adapted adapt to a new enviroment.