Question

how the comparative anatomy of heart act as a proof in favour of evolutionary theory​

Answer 1

What is the difference between  Anatomy and evolutionary theory?

Scientists' initial insights into the evolution of species came from comparing the anatomical features of different organisms.

• The anatomical characteristics, or bodily structures, of related species were compared by scientists.
• Organisms' same anatomical traits provide credence to the theory that they descended from a single progenitor.
• Therefore, the presence of four limbs and gill pouches in all vertebrates at some point in their development suggests that evolutionary changes over time have contributed to the diversity we see today.  

• The existence of structures in creatures with the same fundamental shape is another type of evidence supporting evolution.

For instance, the bones in a human, dog, bird, and whale's appendages all have a similar general design.

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