Answer:
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.
I come in different colors and shapes. Some parts of me are curvy, some are straight. I look like I can belong anywhere but there is only one right place for me. What am I?
I am heavy forward, but backward I'm not. What am I?
My teeth help me suck.
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.