The digestive system contains a variety of parts that perform specific functions within the body. the small and large intestines have some similarities and some differences. which function is only performed in the small intestine?

Small and large intestines have similarities in their functions. But the function that is only performed in the small intestine is absorption of minerals. Both water and vitamin absorption happens in the large intestine along with salts. The creation of chyme happens in the stomach. 

Probably a behavioral adaptation

Average growth population growth