Annenberg Foundation
Annenberg Learner: Journey North: A Global Study of Wildlife Migration and Seasonal Change
Join teachers and students all over the country in observing the migratory patterns of birds and butterflies and the growth changes of plants as the climate changes. "Journey North" offers a wealth of resources to use as you investigate...
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Population
Population directly effects our everyday lives in many ways. Explore the effects of population by learning about population density, population distribution, and population change.