Answer:
They can't because they are complete by themselves, i.e. independent of each other to survive, unlike higher animals and plants.
Answer:
Down in the explanation :)
Explanation:
My guess is number 1: The esophagus passes food to the stomach, but I'm not sure if I'm right. Hope this helped!
Pure water is very close to a pH of 7. The Great Salt Lake (from what I've read about) can range from 8.2 to 7.7 in different areas. Saliva is between 6.5 and 7.5. And ammonia has a pH of 11.
So the items that have a pH between 5 and 8 are pure water, saliva, and possibly the Great Salt Lake.
A bacillus or bacilliform bacterium is a rod-shaped bacterium or archaeon.