Instructional Video8:27
PBS

How the Andes Mountains Might Have Killed a Bunch of Whales

12th - Higher Ed
At a site known as Cerro Ballena or Whale Hill, there are more than 40 skeletons of marine mammals -- a graveyard of ocean life dating back 6.5 million to 9 million years ago, in the Late Miocene Epoch. But the identity of the killer...
Instructional Video
NOAA

Noaa: Estuary Education: Plants (Circle of Life)

9th - 10th
A segment from the film Waters of Life takes a look at the role of plants in the estuary, and the cycle of life that depends on them. [3:27]