Excretion

EXCRETION


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EXCRETION IN AMOEBA


Excretion in Amoeba     Amoeba is a unicellular organism found in fresh water. In amoeba carbon dioxide and ammonia are the main waster materials. These waste materials are excreted out by the process of diffusion through general body surface. In amoeba, contractile vacuoles also play some role in the removal of waste materials. The waste materials present in the cytoplasm of amoeba enters the contractile vacuole. Then the contractile vacuole moves close to the plasma membrane, come in contact with plasma membrane and burst to release its contents in the surrounding.




Test Your Understanding and Answer These Questions:




  1. Explain the process of excretion in amoeba.

  2. Name the part of the body responsible for excretion in Amoeba.

  3. From where do waste materials collect into the excretory part of amoeba?



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