examples of vestigial structure would include the tail bone, wisdom teeth, and the appendix. hope this helps :)
Answer:
Approximately 7%
Explanation:
I found this answer in an article from around 2015 so it should probably be higher since the demand for large animal vets is higher currently
Sour receptors occur primarily along the sides of the tongue and are stimulated mainly by acids. Salt receptors are most common in the tip and upper front portion of the tongue. They are stimulated mainly by inorganic salts. Bitter receptors are located toward the back of the tongue
hopefully this helps but i could be really wrong lol