Final answer:
The statement is false. While small kangaroos, deer, and antelope are herbivores, they do not process vegetation in the same manner as Hadrosauriformes, such as hadrosaurs. They have different dental adaptations and mechanisms for processing vegetation.
Step-by-step explanation:
False. The statement that small kangaroos, deer, and antelope process vegetation in the same manner as the Hadrosauriformes is incorrect. While all these animals are herbivores and consume plant material, their digestive systems and methods of processing vegetation differ.
Hadrosauriformes, which includes dinosaurs like hadrosaurs, were specialized herbivores equipped with unique dental adaptations, such as dental batteries, that allowed them to effectively process tough vegetation. Small kangaroos, deer, and antelope, on the other hand, have different adaptations and mechanisms for processing vegetation, such as specialized molars, rumination (chewing cud), and fermentation chambers in their stomachs.