<span>well i take this test before and the correct answer is :A They produce food by photosynthesis</span>
One half of a duplicated chromosome is called a sister chromatid
Explanation:
Cave lions, sabre-toothed cats, cave bears, giant deer, woolly rhinoceroses, and woolly mammoths were prevailing species of the Quaternary period. Without the dinosaurs, plant life had an opportunity to flourish during the Cenozoic era.
The correct answer is option B. A and B only