1.

Question : Give scientific reasons : Having flat body is an advantage among flatworms.

Answer»

Solution :This is because they LACK circulatory and respiratory system, the flat body enables each body cell to remain NEAR the external body surface to exchange respiratory GASES and near the digestive tract to obtain NUTRIENTS as well. Among tapeworms the digestive system is absent. So the nutrients are also absorbed through the body surface.


Discussion

No Comment Found