This PowerPoint presentation, "When environmental conditions promote evolution: An introduction to morpho-physiological and behavioral differences between two phocids", was submitted as a capstone project
as part of the PolarTREC Online Course Series by participant Patricia Azinhaga. This stand-alone presentation can be used to complement a Life Science lesson.
Coring trees is a way of learning about trees without cutting them down. When a tree is cored, the rings are examined to learn about the history and growth of a tree. In this lesson students will participate in a hands-on activity to help them investigate what information can be gained by studying and comparing tree core samples collected
This video shows divers investigating microscopic life forms living under the arctic sea ice. The video accompanies a presentation given by researcher Rolf Gradinger at the 2012 Arctic Ocean Ecosystem Workshop in Barrow, Alaska.