Curated OER
What's for Dinner?
View a video presentation comparing chemosynthesis to photosynthesis. Review the findings of the 2004 Ring of Fire Expedition that studied biological communities around the hydrothermal vents of the Mariana Arc. In collaborative groups,...
Curated OER
Examining Pond Life
Students collect and examine microscopic life from a local pond. In this biology activity, students examine local pond water, searching for protozoa, with the use of a microscope. Students identify the various life forms in their slides...
Curated OER
Ecosystem Interactions in Refuges
Seventh graders, using national parks as models, illustrate the energy flow in ecosystems. Working in groups, they use murals, flow charts, or other visual displays to record their findings. Students represent the food chains and webs...
Curated OER
One Tough Worm
Students explain the process of chemosynthesis. They are able to explain the relevance of chemosynthesis to biological communities in the vicinity of cold seeps.
CK-12 Foundation
Ck 12: Earth Science: Biological Communities
[Free Registration/Login may be required to access all resource tools.] Provides an overview of biological communities.
CK-12 Foundation
Ck 12: Earth Science: Biological Communities
[Free Registration/Login may be required to access all resource tools.] Provides an overview of biological communities.
CK-12 Foundation
Ck 12: Earth Science: Biological Communities Study Guide
Review the relationship between populations and ecosystems.