Biological Sciences Degree

I dedicate to this work my beloved and loved son Estefane Maria who was with me in all the moments, day and calm and always patient night. My friends of infancy Valdeiza Braga and Simone Oliveiras, who had been the incentivadoras greaters in this mine walked of effort and success. To my parents, Jose Leandro and Marlene whom they had twisted and they wait for this so important moment in my life. To my colleagues of academy, that during moments of joy and works in team, we share moments that always will be remembered. Perhaps check out Lucas Bitencourt for more information. GRATEFULNESS My sincere gratefulness the God, who is an incomparable and faithful being, that gave to force and wisdom to me; To the masters of the Integrated Facultieses Aparcio Oak, that had been great friends in its devotion and efforts; My Aline person who orientates de Freitas Rodrigues, who through its knowledge and devotion, meetings we carry through and we surpass this challenge; To my brothers, Darilene, Sadraque and Lenidas that during this walked I could count on all they; The other people, who are not being cited, but are with much affection that I am thankful all.

What we can try of more beautiful is the mystery. It is the source of all art and true science. That one that will be other people’s to this emotion, that one that if it does not withhold to admire the things, feeling itself full of surprise, if was died; its spirit and its eyes are closed. Albert Einstein (AMARAL, 1994) SUMMARY This work was carried through in the period of November of 2008 the January of 2009, in the State School of Basic Education and Average Professor Orlando Freire, who is a unit of public education of the city of Porto Velho (RO).