Question 1: What is the central idea of this passage?
Response: How orcas live and dangers to them.
Question 2: Which would be the best summary of the passage, "Saving Killer Whales"?
Response: Orcas, sometimes called killer whales, are actually the largest type of dolphin. They typically live in pods and eat depending food sources in their areas. They hunt together in their pods by making clicking sounds to communicate. One type of orca is in danger of extinction due to a decrease in their salmon food source, and people are working to help save them.