Excretion in Animals
Excretion in Animals
Excretion in animals: Many unicellular organisms like Amoeba throw out their wastes by diffusion from their body surface. Protozoans have no organs for excretion. As they live in an aquatic habitat, their wastes are eliminated by diffusion through the plasma membrane.
Which of the following statements about excretion is true? | |||
| Right Option : D | |||
| View Explanation | |||
In children , urination is an _______ action. | |||
| Right Option : A | |||
| View Explanation | |||
In higher multicellular organisms the excretory organs could be simple tubular structures called _______________ in flatworms and leech.
| |||
| Right Option : B | |||
| View Explanation | |||
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