Aparticular species of sea bird underwent a genetic mutation that resulted in big beaks. the larger size of beaks the bird to break open clams and other mollusks for food. it also them defend themselves against predators. after many generations, almost all of the organisms in the population have big beaks. for which two reasons did this phenomenon occur?

Which plate boundary causes plates to collide forming mountain ranges, volcanoes, and island arcs? give an example of this type of plate boundary. 2. at which plate boundary do rifts and mid-oceans ridges form? give an example of this type of plate boundary. 3. at which plate boundary do plates slide past each other while moving in opposite directions? give an example of this type of boundary.