Fossils of early crocodiles show that early crocodiles must have eaten a mainly vegetarian diet, as they are not found near any fossils of living creatures that would have served as the crocodiles’ prey. Instead, they are found near fossils of different kinds of vegetation, many of which no longer exist today. Skeletons of modern crocodiles, on the other hand, are often found near those of other animals, showing that the diet of crocodiles has changed over thousands of years.
Which one of the following, if true, would strengthen the conclusion of the preceding paragraph?
