McGraw Hill
Glencoe Biology: Principles of Ecology: Chapter Test Practice
A set of fifteen comprehension questions which test over various ecological concepts.
Yale University
Open Yale Courses: Principles of Evolution, Ecology, and Behavior
Access any one of thirty-six lectures from a biological sciences course, in audio, video, and text format. Coverage includes evolution, natural selection, the fossil record, the history of life on Earth, ecological communities,...
Cosmo Learning
Cosmo Learning: Principles of Evolution, Ecology and Behavior
A collection of video lectures introducing beginning biology students to the principles of evolution, ecology, and behavior. The course was taught three times a week for a semester at Yale University. The course discusses concepts of...
Other
Minnesota Dnr: Ecological Principles & Land Cover Characteristics
Lists the six attributes used to identify terrestrial and wetlands areas that are important ecologically. These attributes are based on four ecological principles, which are explained.
Other
Branksome Hall Asia: Design and Inquiry: Sustainable Design
Sustainable design is a philosophy of developing products in line with social, economic, and ecological sustainability principles. In design, it is important to understand the distinction between Green Design and Sustainable Design....
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.
BiologyWise
Biology Wise: Competitive Exclusion Principle
The concept of competitive exclusion, explained here, states that two species cannot co-exist when needing the same, limited resources to survive. The different types are described and examples are provided.
Untamed Science
Untamed Science: Competition
This well-written article explains what competition in an ecosystem is and the different ways it can manifest itself. It also looks at how organisms avoid competition, some disadvantages and outcomes of competition, the impact of a...
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...
Sea World Parks & Entertainment
Sea World: Biodiversity
Depicts biodiversity with a brief narrative. Includes vocabulary, bibliography, and one activity. Subject matter at an upper intermediate grade level or higher.