Answer:
They digest without the use of teeth.
Explanation:
The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.
 
        
             
        
        
        
The correct answer is option A, that is, saturated.
The mentioned lipid is not a phospholipid, as it does not comprise a phosphate group at the terminal of the chain, and is not a triglyceride due to the absence of glycerol moiety.
Each carbon combined with the hydrogens forms the maximum number of possible C-H bonds, thus, there are no multiple bonds between the carbons. Hence, it can be concluded that the lipid is saturated.
 
        
             
        
        
        
Answer: in the production systems of coal-burning power plants
 
        
             
        
        
        
They create competition with some certain niche
        
             
        
        
        
Answer:
yes they have a lot of hormones that affect their growth to develop at a rapid growth to know more study more on genetic