Answer:
Mary's child slept in one of these
What is in seasons, seconds, centuries, and minutes, but not in decades, years, or days?
Passed from father to son and shared between brothers, its importance is unquestioned though it is used more by others.
I'm a god, a planet, and measurer of heat. Who am I?
What leaps one time out of four?
People take me on walks and I run and have fun. What am I?