Biology, asked by kanishkasiddhi, 1 month ago

endoskeleton of protochordates

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Answered by ESKENOR

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Answer:

The vertebrate endoskeleton is basically made up of two types of tissues (bone and cartilage). During early embryonic development the endoskeleton is composed of notochord and cartilage. The notochord in most vertebrates is replaced by the vertebral column and cartilage is replaced by bone in most adults.

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