1. It helps break down starch
2. It helps with chewing/swallowing
3. It helps you speak more smoothly because it moisturizes the inside of your mouth.
4. Dissolves food
5. It helps fight against pathogens
6. washes away debris and bacteria in mouth
7. Supplies certain minerals to teeth.<span />
The deep sea vent organisms or benthic organisms normally live in dark conditions because of no penetration of sunlight. These organisms in order to colonize ocean surface must develop photo sensory receptors and should adapt to the light conditions along with variation in temperatures and pressure in ocean currents.
Answer:
Scientists think that protobionts formed by accidental natural causes.
Explanation:
There is no scientific consensus as to how precursers to the first living cells could have occurred.