Science Education Resource Center at Carleton College
Serc: Life in Extreme Environments: Who Is on Top in the Food Chain?
In this lesson, students will design experiments to gain some understanding of the feeding rates of Rotifers and/or Tardigrades. They will use organisms collected locally or provided by the teacher to explore differences between their...
Encyclopedia of Earth
Encyclopedia of Earth: Conservation Biology: Polar Bear
Information about the polar bear: physical characteristics, behavior, life cycle, distribution, threats to their survival, conservation efforts, etc. (Published Sept. 7, 2011)