10 most extreme places on Earth. A unicellular organism is any life form that consists of just a single cell. This group includes most life on Earth, with bacteria serving as the majority. The main groups of single celled life are bacteria, archaea (both prokaryotes), and the eukaryota (eukaryotes).
A hero (masculine) or heroine (feminine) is a person or main character of a literary work who, in the face of danger, combats adversity through impressive feats of ingenuity, bravery or strength, often sacrificing his or her own personal concerns for some greater good.
The protagonist, or hero, is the character the story is about. The antagonist is the person or thing that opposes the hero. The main character of a story is called a antagonist. This is the person that makes the story and plays it out. The main character is called the protaganist. The villain is called the antagonist. <br /><br /><br />The protagonist, or hero, is the character the story is about. The antagonist is the person or thing that opposes the hero.The main character of a story is called a antagonist. This is the person that makes the story and plays it out.