animal notochord

What Animal Does Not Have A Notochord?

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What Animal Does Not Have A Notochord? Non-chordates are animals without a notochord – the rod-like elastic structure that supports the body. This phylum consists of a small group of worm-like, marine species with an organ-system level of organization. Do worms have notochord? Their predecessors are represented by fossils from those Cambrian seas: worm-like animals

Do Fish Have Notochords?

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Do Fish Have Notochords? Do fish have Notochords? Accordingly, the notochord serves as the axial skeleton of the embryo until other elements, such as the vertebrae, form. In some vertebrate clades, such as the agnathans (lampreys), and in primitive fish, such as sturgeons, the notochord persists throughout life. What animals have Notochords? A notochord is