1. Foregut or stomodaeum: It consists of pharynx, oesophagus, crop and gizzard.
2. Pharynx: It is very short, narrow but muscular tube that opens into oesophagus.
3. Function: Conduction of food into...
As the number of firms changes the market supply curve shifts. When the number of firms increases the market supply curve shifts to the right. On the other hand, if...