Some scientists contend that many species of dinosaur had a metabolism more like a warm-blooded mammal's than a cold-blooded reptile's. that many species of dinosaur had a metabolism more like that the metabolism of many dinosaur species were more like that the metabolisms of many species of dinosaurs were more like those of there were many species of dinosaurs that had metabolisms more like those of there were many dinosaur species that had a metabolism more like that of

that many species of dinosaur had a metabolism more like

Explanation:

From the question given, the correct use of tense occured in option A "that many species of dinosaur had a metabolism more like".

In option B, a wrong verb was used in this case. The wrong verb was "were" It should also be noted that the use of "that" and "than those" for options C, D and E aren't necessary.

Therefore, the correct option is A.

answer; i believe that the correct answer is ; males are hemizygous for the x chromosome;