All organisms and how they live and react with each other
The answer is: "small intestine" ;
{ which is also called the: "small bowel " } ;
____________________________________________________
and consists of the: " duodenum, jejunum, and ileum ."
____________________________________________________
Hope this helps!
Best wishes in your academic endeavors
— and within the "Brainly" community!
____________________________________________________
Classification system originated in the 18th century, from the works of a Swedish botanist Carolus Linnaeus. He classified living beings based on similarities between them. Organisms which could interbreed were put in one species.