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Biology, 22.07.2020 04:01 alghazal7408
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 blank. Whales also process a vestigial pelvic bone. The presence of the pelvis bone may indicate that whales blank.
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Sharks, whales and dolphins share similar features such as body shape and the position of fins. Howe...
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