The answer would be analogous and convergent evolution. In evolutionary biology, convergent evolution is the procedure whereby creatures not carefully related, self-sufficiently evolve alike traits as an outcome of taking to familiarize to like surroundings. The beaks can be described as analogous since there is a similarity of structures that came from different origins.
Here where i live the trees are like that it is always raining so your answer would be: Trapical Rain Forest
I need more details! List your statements or something!
Answer:
cultural control, genetical control,natural chemicals, biological control
By the change of environment , by the process
