Which invertebrate animal is composed of around 95% water without bones or a brain?

Jellyfish

Who wrote the majority of the letters in the New Testament? In Disney’s "Mulan," what is the name of the dragon who helps Mulan? Which science fiction movie popularized "May the odds be ever in your favor"? What common kitchen substance is chemically known as acetic acid solution? What term was given to American colonists supporting independence from Britain?