Who are we?where we came from?where are we going?

lets focus about consciousness,the past,present, and future. Now, lets start asking,where was your conscoiusness before birth,millions of years ago,where are you or before the fetus formed inside the womb of your mother?lets ume nothing.consciousness is nothing before were born. Lets yze the present..yes! we have this consciusness.you can feel it,you can think,breath, etc. but consider the nothingness of conscousness in your environment.nothingness still exist by just thinking that tomorrow another baby will be born and an additional consciousness to ur environment.where they come from?where were their cnsciousness before?if you dont exist,would it be possible that the consciousness of that baby is yours?or,the consciousness of the grandma on the street might be possibly yours if you still dont exist.or,the consciousness of millions of people in the world might be yours if you dont exist.or,the consciousness of 1 person here on earth if we suppose thers only 1 person,his consciousness would be yours. Now,lets proceed to the other animal example dog. DOES dog dont hav