What is an advantage of eating food that contains complex carbohydrates instead of eating food that contain simple carbohydrates

Complex Carbohydrates contain more advanced molecular structure which would provide you with more nutrients than a regular all based carbohydrate. 

An autotrophic protist - they can perform photosynthesis and mainly consist of unicellular algae. they can be divided into number of systematic group according to the shape of their cell and the type of photosynthetic pigments they use.

Cell division is important to single celled organisms because it allows the cells to reproduce. through cell division, cells make exact copies of themselves. when single celled organisms go through cell division, they make exact copies of themselves which is how they reproduce.