Question

Explain the difference between the excretory system of humans and plants. Answer the question.

Answer 1

Excretion in animals: Many unicellular organisms like Amoeba throw out their wastes by diffusion from their body surface. Protozoan's have no organs for excretion. As they live in an aquatic habitat, their wastes are eliminated by diffusion through the plasma membrane.

Answer 2

hey...here is ur answer...
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Excretion system in humans:

The excretory system in human beings also known as urinary system...it consist of a pair of Kidneys , a pair of ureters, urinary bladder, and a urethra.... the two Kidneys are located towards the back of the lower part of the abdomen cavity, one on either side of the backbone... left side is slightly larger and placed a little higher than the right kidney...

Excreation system in plants:

plant do not face such problems of elimination of waste excretory products as the animals ..primarily the plant are the producers and they synthesize all their organic requirements according to demands.. the waste substances, if produced in metabolic processes of plants , are disposed off by the following method..

1) the major waste substances, produced by certain metabolic activities of plants, and oxygen ,carbon dioxide and water... carbon dioxide and water are used by the process of photosynthesis . The oxygen ,which inhibits photosynthesis in higher concentration , escape from plants into the environmental by diffusion...

2) excess salt is removed through hydathodes along with guttation water..

3) many breakdown products are recycled in the synthesis of new metabolic products...

4) some excess organic acid combined with excess actions and precipitate out as insoluble styles which can be safely stored in the plant cell...

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