What does the evolution of the heart from a t | vedclass

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(A) Haeckel's Biogenetic Law,also known as the Recapitulation Theory,states that 'ontogeny recapitulates phylogeny'.This means that an organism's deve

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Haeckel's Biogenetic Law

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(A) Haeckel's Biogenetic Law,also known as the Recapitulation Theory,states that 'ontogeny recapitulates phylogeny'.This means that an organism's development (ontogeny) reflects the evolutionary history (phylogeny) of its ancestors.The progression of the heart from a simple two-chambered structure (as seen in fish) to a three-chambered structure (as seen in amphibians/reptiles) and finally to a four-chambered structure (as seen in birds and mammals) during embryonic development serves as a classic example of this law.

What does the evolution of the heart from a two-chambered to a three-chambered and finally a four-chambered structure demonstrate?

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