Communication required for animals of all kinds, whether human or other types of animals. Just as humans have used language that has a Word is mostly, but other animals do not have language, as well as human beings.
Communication is essential to every creature, whether human or other animal. Only humans have used the speech as a majority. But other animals No human language, as well as The animal must have a process to replace the language of communication in humans.
Communication is necessary for all animals, whether human or animal species. But man has to use language with words is mostly, but other animals, no language just like human beings.