Matching the following terms and definitions. 1. adaptive radiation a theory of evolution that states that a species evolves in spurts of rapid change and then no change 2. coevolution a theory of evolution that states that a species evolves by consistent, small, steps 3. convergent evolution a pattern of evolution in which two species evolve in relation to each other 4. divergent evolution a pattern of evolution in which similar characteristics evolve between two unrelated species 5. gradualism a pattern of evolution in which slightly different species evolve from one common ancestor 6. punctuated equilibrium a pattern of evolution in which very different species evolve from one common ancestor