Final answer:
Predator-prey ratios in dinosaur fossil collections suggest that predatory dinosaurs were relatively rare in comparison to herbivorous ones, which is consistent with the structure of ancient ecosystems.
Step-by-step explanation:
Calculated predator-prey ratios from dinosaur-fossil collections indicate that predatory dinosaurs were relatively rare. This is final answer in two line
explanation in 300 words by the natural balance of ecosystems, where predators are always fewer than the producers and primary consumers to maintain efficient energy transfer and sustainable population sizes. A healthy ecosystem typically has a larger population of herbivores than carnivores since predators require more resources and energy to sustain their lifestyle.
In prehistoric times, as deduced from fossil evidence, there were indeed many species of dinosaurs with varying diets and characteristics. However, the majority of these dinosaurs were herbivores or omnivores. Carnivorous dinosaurs, though some of the most well-known, were less common when compared to their plant-eating counterparts. This information complements the understanding that in fossil records, fossils of predatory dinosaurs are uncommon compared to those of herbivorous species.