What are the benefits of restoring our endangered prairie ecosystem? Objective 1. Students will respond appropriately to comprehension questions while watching a short video. 2. Students will utilize the video and technology to conduct a short research product. 3. Students will discuss and collaborate with peers effectively to form an educated opinion about a topic. 4. Students will write at least 2 arguments that support their opinion with relevant evidence. Background Prairie restoration is a priority at Knife River Indian Villages National Historic Site. North American prairie ecosystems us Duration: 90 Minutes.