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Bone Of The Leg Bone Analysis

286 Words2 Pages
The reading states that scientists have found a 70-million-year-old fossil of dinosaur which might contain remains of actual tissues of the animal. The author provides three reasons for supporting. However, the professor explains that the author's reasons are not convincing, and challenges all f them.
First, the reading claims that the breaking of the fossil's leg bone depict that there are some hollow channels which may be the place of blood vessels. Also in this channels, there is a soft flexible tissue which can be the remains of blood vessels of the animal. The professor refutes this point by saying that these soft materials are not the remains of blood vessels. He states that the bacteria colonize in the hollow of the animal long after
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