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23-12-2016
Biology

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Which is true for urochordates?

The notochord is present throughout their lives.

The notochord is present only in the larval stage; it is absent in adults.

The notochord is present in the larval stage; it becomes vertebrae in adults.

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Greenleafable Greenleafable

26-12-2016

The option which is true for urochordates is the second one - the notochord is present only in the larval stage; it is absent in adults. This is why A and C are incorrect options.

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