Learners study echolocation and understand how dolphins use it to locate prey, escape predators, and navigate their environment. They view a video, "In the Wild-Dolphins with Robin Williams" and see first hand how dolphins communicate. ...

In the previous lesson, students learned about the issue of bycatching by fisheries and how it affects marine habitats. Dolphins are one of the main species affected by bycatching. While dolphins can use echolocation to identify the...