Curated OER
Oyster Gardens - No Soil Required!
Explore the practice of oyster gardening. Because oysters play a vital role in marine ecosystems and their populations have declined, biologists are transplanting oyster seed to repopulate reefs. After learning about this practice,...
US Census Bureau
U.s. Census Bureau: Population Change and Distribution [Pdf]
This U.S. Census Web site gives current and past information on population changes and distribution. Must have an Adobe Reader to access.
Texas Instruments
Texas Instruments: Biological Models With Differential Equations
In this activity, students explore several models representing the growth (or decline) of a biological population. They study models of a single population that have a closed-form solution, and models of several interacting populations...
TED Talks
Ted: Ted Ed: Penguins: Popularity, Peril and Poop
Dyan deNapoli explains the reasons behind the decline in penguin populations and why penguins are like the proverbial canary in the coal mine of our oceans. [5:23]
Christian Science Monitor
Christian Science Monitor: Population Decline in Sight
This Christian Science Monitor article notes the projections of a UN Conference of March 2001, predicting that fertility rates worldwide are decreasing, and population decline is in sight.
Scientific American
Scientific American: The Buzz on Bees: In Depth Reports
Read this multimedia article about the disappearance of bee colonies worldwide. Find out why it is crucial to saving this important pollinator from extinction.
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Sea Level and the Terrapin
Students build a model ecosystem to simulate the life and limiting factors of the Terrapin turtle.