Complex sentence: There are five steps needed to become a dolphin trainer: earning a high school diploma, considering volunteering, earn a degree, obtaining an internship, and becoming SCUBA certified.
Split into simpler sentences: There are five steps needed to become a dolphin trainer. Step one is earning a high school diploma, step two is considering volunteering, step three is earn a degree, step four is obtaining an internship, and step 5 is becoming SCUBA certified.