B.
Groups of similar cells that do a particular job.
The incorrect one in the Meiosis category would be,
"Same number of chromosomes as the original cell."
This is because the original cell would've had 46 chromosomes but the new cell only 23.
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 answer is B, DNA to RNA to protein