Answer: Dinosaurs
Many forms of plants, invertebrates, and fishes evolved during the Mesozoic Era. Since the dinosaurs were the dominant animals on land then, the Mesozoic Era is called the Age of Reptiles. Dinosaurs, however, became extinct even before the end of the Era.
The type of asexual reproduction which is being represented is definitely C. Fission, because according to the data above the entity has divided into two or more parts which is a characteristics for the fission.
