Lion, Spotted hyena, African wild dog, Leopard, Cheetah, and probably crocodillians. Hope this helped!
The primary role of hydrochloric acid is to sterilize the food you eat and to prevent harmful bacteria from entering the GI tract. HCL also triggers the release of enzymes such as pepsin which are essential for the digestion of protein.
Allopatric Speciation or/and Sympatric Speciation! :)
If your period of development in which your reproductive system matures and your sex hormones increases its called puberty