A speck of matter came to life, and it began right away to interact within and among itself. Life came accompanied by relationships, a fundamental expression of the connectedness that has been part of all life that has followed. The theory of evolution maintains that mutations occur which alter the capacity of a life form in some way. If the alteration is beneficial, enhancing its life, the mutation is incorporated into the life of the form in an ongoing way.
Feeding adaptations in beaks. When identifying a mystery bird, the shape of the beak will tell you a lot about it’s lifestyle. Looking at the conformation of the body and the shape of the wings will also give a good indication as to what that bird has evolved to do (catch fish / bugs etc). Feeding adaptations in beaks