Question

By which physiological process, amoeba removes the excretory substances?​

Answer 1

Explanation:

Many unicellular organisms such as Amoeba excrete their waste products by diffusion from their body surface as they are small in size. Multicellular organisms such as Hydra carry out water excretion by creating a break in its body wall which is a result of strong contraction when its gut is distended with fluid.

Answer 2

Answer:

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• Many unicellular organisms such as Amoeba excrete their waste products by diffusion from their body surface as they are small in size. Multicellular organisms such as Hydra carry out water excretion by creating a break in its body wall which is a result of strong contraction when its gut is distended with fluid.
• harmful substances, and perished portions of the organisms .In vertebrate animals, this process is mainly carried out by the lungs, skin and the kidney and with the urinary system being the main excretory system. Excretion through the skin occurs through sweating, which results in the removal of water and small amounts of urea and salts. The kidneys filter about 180 litres of blood every day and removes urea, toxins, medications, and excess ions through the formation of urine[4].

• An example of such is cell excretion process. The cell clears its waste products by bringing the waste products close to the cell membrane and then closing the cell membrane around the waste products, isolating it from the rest of the cell. Then the cell could open the cell membrane on the outside of the cell, letting the products out without losing any cytoplasm or letting anything else

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