Open Oregon Educational Resources
Environmental Biology
Everyone has a responsibility to take care of the environment. Give learners a sense of our environmental concerns with a complete course on environmental biology. The textbook resource includes instruction on topics such as population...
Khan Academy
Khan Academy: Ecology: What Is an Ecosystem
Learn what an ecosystem is, how energy and matter move through ecosystems, and what makes an ecosystem stable.
Other
Introduction to the Biosphere: Characteristics of the Earth's Terrestrial Biomes
From Chapter 9 of a textbook on physical geography that covers the biosphere. Important vocabulary is highlighted and linked to a glossary. It explains the characteristics of a biome, and describes the features of the eight different...
CK-12 Foundation
Ck 12: Life Science: 12.12 Biome
Learn how the biomes of the world are determined by their climate and ecosystem.
CK-12 Foundation
Ck 12: Life Science: 12.13 Terrestrial Biomes
Learn about land biomes and their ecology.
CK-12 Foundation
Ck 12: Life Science: 12.14 Aquatic Biomes
Understand the living and nonliving aspects of aquatic ecosystems.
Other
Marietta College: Biology: Energy Flow Through the Ecosystem
Read to understand how energy and inorganic nutrients flow through a food chain in an ecosystem.
Other
Freshwater Ecology
This is a comprehensive and detailed site providing information on aquatic macroinvertebrates. The emphasis is on biomonitoring of water quality through quantitative assessment of numbers and types of small aquatic organisms.