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25 October, 14:17

Which is a characteristic of all vertebrates?

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  1. 25 October, 14:31
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    The presence of vertebral column or notochord at any stage of life in any organism is the characteristic of vertebrate.

    Explanation:

    An animal is vertebrate if it fulfils the following criteria:

    Presence of vertebral column or notochord.

    Presence of endoskeleton or backbone.

    The spinal cord runs above the vertebral column.

    Humans embryo has notochord which becomes a vertebral column.

    The alimentary canals end in the anus.

    Mouth is present ta the anterior side of the vertebrate.

    Have legs, fins or wings for movement.

    Presence of a nervous system and sensory organs.

    Presence of skin, lungs or gills.

    Presence of a circulatory system.

    Vertebrates include fish, amphibians, reptiles, birds and mammals.
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