Question

Estimating the weight of a dinosaur using only bones is difficult. Another way is by using scale models. The density of a dinosaur is scaled based on the average density of what living animal

Answer 1

Given what we know about the methods used by scientists to estimate the weight of a dinosaur, we can confirm that the density of a dinosaur is scaled based on the average density of the common crocodile.

Scaling the density of an extinct animal based solely on bones can be a daunting task. Since the bones themselves do not offer much information on which to base such a calculation, scientists are often forced to rely on other estimations. One such example is the bone scaling method.

This method relies on the genetic relationships shared between the dinosaur and current-day living animals. This offers the ability to compare the dinosaur to the known body mass of a modern-day living animal. The animal most commonly used is the crocodile, however, though this method can provide the scientists with a degree of accuracy, it lacks precision.

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