Final answer:
The assertion that it is easy to determine precisely what kinds of plants or animals a given dinosaur ate is B) false. Paleontologists must infer diets from limited evidence such as tooth structure and fossilized stomach contents, and there are often debates and uncertainties around these inferences.
Step-by-step explanation:
The question seeks to address whether it is easy to determine exactly what kinds of plants or animals a given kind of dinosaur ate, to which the answer is B. False. The intricacies of ancient ecosystems and the limitations in our ability to study them mean that while scientists can often make educated guesses about the diets of various dinosaurs, these are not always precise. Palaeontologists use clues such as tooth structure, skull shape, and sometimes even fossilized contents of stomachs to infer diet. However, such evidence can be rare, and interpretations can be disputed within the scientific community. For example, there has been debate surrounding the Tyrannosaurus rex, with discussions focused on whether it was primarily a carnivore or scavenger. This debate illustrates the complexities of determining a dinosaur's diet. Additionally, various dinosaurs might have exhibited different feeding strategies, such as suspension-feeding, deposit-feeding, herbivory, carnivory, omnivory, or scavenging, further complicating the understanding of their dietary habits.