This one-time, 50-minute class will start by exploring how the Earth was once covered entirely with water and land later formed through volcanoes. This explains why some of the oldest species on the planet live deep under the ocean, like the 125 million year-old Goblin Shark species.

Then, we'll discover how the evolution of these animals over time was shaped by the extreme environment of the deep ocean in places like the Mariana Trench. We'll watch video clips to learn how the Giant Squid...