Final answer:
In vertebrates, the notochord is present during embryonic development and is then replaced by the vertebral column in adulthood.
Explanation:
The fate of the notochord in higher chordates is that in vertebrates, including humans, the notochord is present during embryonic development where it induces the formation of the neural tube and provides support for the developing embryo. However, in most adult vertebrates, the notochord is replaced by the vertebral column or spine, serving as the primary axial support of the body.
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