College Board
2007 AP® Microeconomics Free-Response Questions
A monopoly gives a company exclusive rights to a market. What is the impact of that decision on the economy? Problem sets from College Board explore this question, as well as variables in labor markets and government regulations on profit.
CK-12 Foundation
Ck 12: Life Science: Competition
[Free Registration/Login may be required to access all resource tools.] Ecology is the study of how living organisms interact with each other and with their environment. Organisms interact with each other through various mechanisms, one...
CK-12 Foundation
Ck 12: Episd: Ecosystems
[Free Registration/Login may be required to access all resource tools.] Explore ecosystems and ecology on an introductory level uncovering fact about types of ecosystems and the competitive exclusion principle.
CK-12 Foundation
Ck 12: Biology: Ecosystems
[Free Registration/Login may be required to access all resource tools.] Introduction to ecosystems and other ecological concepts.