Unit Plan
CK-12 Foundation

Ck 12: Life Science: Mass Extinctions

For Students 6th - 8th
[Free Registration/Login may be required to access all resource tools.] An organism goes extinct when all of the members of a species die out and no more members remain. Extinctions are part of natural selection. Species often go extinct...
Handout
The History Cat

The History Cat: Geography: Environment: Tigers on the Brink

For Students 4th - 8th
Discusses the threats faced by the Bengal Tiger in India that are bringing it to the brink of extinction. These include loss of habitat, loss of food sources, and poaching.