Investigate populations of different organisms and classify them as thriving, threatened, endangered, or extinct SPI 0307.5.2

Links verified 12/26/2014

1. Bat Hibernation and Migration - information from the U S Fish and Wildlife Service's Endangered Species Program [this expired page is from the Internet Archive known as the Wayback Machine]
2. Causes of Extinction - the Why Files has information about wolves and other animals in danger of extinction
3. Endangered Ecosystems - Investigate some of the animals in a Mexican ecosystem. Figure out who are the predators and who are the prey and build your own food web.
4. Planet Ocean - Explore and Learn More by clicking on Critters or Stuff

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