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Write a few lines on excretion …

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Write a few lines on excretion in lower animals

    • Posted by Nand Kishore 6 years, 1 month ago

    CBSE > Class 07 > Science
    • 1 answers

    .. ... 6 years, 1 month ago

    Animals are generally more complex in nature when compared to plants, especially the animals belonging to the higher order phyla. Even among some lower organisms, excretion occurs through specialized organs, such as the nephridia seen in earthworms. In others, excretion happens through diffusion. In the higher phyla and classes of the animal kingdom, animals such as fish, birds, reptiles, etc. have a specific excretory system in place to get rid of the metabolic wastes.

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