What is heliozoa in the simplest definition? ( Science)

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

Me with these questions if you’re it sure don’t answer

Why is it important to study each branch of earth science?