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Sharks, whales, and dolphins share similar features such as body shape and the position of fins. However, sharks have gills for breathing. while whales and dolphins have lungs. These differences indicate that the organisms share a common ancestor for Whales also possess a vestigial pelvic bone. The presence of the pelvis bone may indicate that whales

Answer :

denis9rafael

Both dolphins and whales still have their hip (pelvic) bones present. These bones connect and transfer the weight of the trunk to the lower limbs.

Thus, the presence of the pelvic bone may indicate that whales had ancestors that walked on land.

annyksl

Answer:

Thus, the presence of the pelvic bone may indicate that whales had ancestors that walked on land.  

Explanation:

Evolutionism claims that whales have pelvic bones (hips) that are evolutionary remains from when their ancestors walked the earth more than 40 million years ago. The commonly accepted hypothesis considers that these bones are simply vestigial, regressing slowly over time. At the definition level, 'vestigial organs' originally referred to useless parts of the body that were left over from some evolutionary ancestor

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