CK-12 Foundation
Ck 12: Life Science: 12.11 Habitat and Niche
See how organisms each have their own role in the ecosystem.
Science Education Resource Center at Carleton College
Serc: Environmental Interactions: Connectedness of a Natural System
A field experience where students undergo an exploration in a natural environment. They are introduced to the concepts of species, population, community, ecosystem, niche, and biosphere.
PBS
Pbs Learning Media: Allopatric Speciation
These images from the Smithsonian Institution depict Nancy Knowlton's work with snapping shrimp in Panama. Knowlton found that the closing of the isthmus -- dividing the Pacific Ocean from the Caribbean -- resulted in new species of shrimp.
Michigan State University
Michigan State University: Digital Learning Center for Microbial Ecology: The Curious Microbe
This interesting site focuses on unusual microbes that inhabit an extreme environmental niche on our planet. Individual articles are written in a tone suitable for general audience.
University of California
Ucmp: Annelids Life and History
Description of the life history and ecology of Annelids.
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.
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.
University of California
University of California Museum of Paleontology: The Arthropod Story
A tutorial that explains the evolutionary history of arthropods. Within the history, students can learn about taxonomy, paleontology, fossils, and evolution. Each section includes key questions for students to focus on as they move...
Scholastic
Scholastic: Study Jams! Science: Ecosystems
A video and a short multiple-choice quiz on the topic of ecosystems, covering biotic and abiotic factors, and the roles organisms play in an ecosystem.
Biology 4 kids
Biology4 Kids: Birds Above You
A resource for young researchers to discover a brief history of birds and how they adapted to their environments.
Tom Richey
Slide Share: Energy Flow and Nutrient Cycle
Read 37 slides on energy flow and the nutrient cycle.