Is food energy a type of potential or kinetic energy?

Natalie had random hand movements when she was two months old. when she was six months old, she used to grab a block with her whole hand. now at the age of ten months, she can grasp the same block with her thumb and forefinger. this sequence of growth in her hand and finger movements is according to the pattern.

What type of competition exsist between two species. turtles and fish

About how much of the cell mass is watet