Does even the type of food have any role to play on the ph of our mouth?

Does the saliva have any other roles to play ?

Do you think the pH of our mouth changes ?

Does cropping pattern have any role to play in reduction of water utilisation ?

When does tooth decay start in our mouth ?

Do the new characters have any role in the process of evolution?

Do you find any similarities, and dissimilarities in the way and type of food eaten by hen and crow ? What are they ? Write your observations in table given below.

Is there any relation betweeen type of food taken and the structure of(birds) beak?

Eating of food that does not have one or more than one nutrients in required amounts is known as

Does the level of saliva secretion change due to presence of food in the mouth ?