Question

Describe the digestive system of Plyeon and the various adaptation of fight therein.

[Detailed answers required]​

Answer 1

The digestive system is made up of the digestive tract and other organs that aid in digestion. The digestive tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus, consisting of the following: Mouth. Esophagus.

Answer 2

Answer:

• Digestive system of plyeon starts with mouth.
• Jaws are covered with horny beak like structure, and are adapted for various modes of feeding.
• Teeth are absent. Food is naturally swallowed and send further to alimentary canal for further digestion.  

There are different type of adaptation, they are:

• Physiological adaptation: These adaptation is taken place in the aspect of physical change to the species.
• Behavioral adaptation: This adaptation is done in the way which involves the change in the natural acting or behavior of an organism.
• Structural adaptation: This adaptation is changes occur in the organism’s physical aspect due to environmental effects.

Here the adaptation is Structural one, because body is light weighed for flying adaptation.