Curated OER
Metabolism & Enzymes
More extensive than just a general overview of digestion and reactions, this slide show gives information about all areas of enzyme function. Topics like the chemistry behind efficiency of enzymes, factors that affect speed of...
Alabama Learning Exchange
Alex: Classification
This instructional activity will explain the reasons that society groups and classifies. The instructional activity has a hands-on component that helps learners connect everyday grouping with the way that scientists group and classify...
CK-12 Foundation
Ck 12: Life Science: 10.3 Fish
Explore the behaviors, characteristics, and classification of fish.
Encyclopedia of Life
Encyclopedia of Life: Amphibians
Thorough resource investigates amphibians with a description, pictures, and maps. Includes facts on ecology, evolution, biology, and external links.