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.
Intestinal gland secretes intestinal juice ,it contains enzymes and their role is to decompose food more and then conduct them into the large intestine or by intestinal absorption to the blood
I believe the correct answer is B) repair of injury.
Sorry if this is incorrect but hope this helps!
50% punnet square would make AA AB Aa and A Ab
