Question: Which of the following statements accurately describes the Pleistocene extinction? Need Assignment Help? Question options: It occurred approximately 65 million years ago, leading to the extinction of dinosaurs. It was characterized by the loss of small terrestrial vertebrates during the last glaciation period. It primarily affected marine species, including trilobites and ammonites. It took place between 10,000 and 12,000 years ago, resulting in the disappearance of large mammals like woolly mammoths and saber-toothed cats and most likely human driven.