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Just because an ingredient is labeled "natural" doesnít mean itís safe. Many plants and plant extracts can cause harmful health effects ranging from mild irritation to even death.

Learning About Frogs

Frog DVDThe Learning About Frogs courses are designed to teach middle school and high school students about the biology, physiological adaptations, anatomy, evolution, and ecology of frog and toad species in the United States.

The free courses, featured on the AALAS Learning Library, include a variety of interactive exercises on topics ranging from frog anatomy to frog habitats.

Both courses, Learning about Frogs: Introduction and Learning about Frogs: Advanced, feature online exams, information about careers in biomedical research, and links to additional frog-related resources.

View our School Resources Library to explore the Learning About Frogs courses and other age-appropriate courses for middle school and high school students.

Frog DVD Supplemental Files

The materials below supplement the Frogs: A Comprehensive Course for High School Students DVD, available free from the AALAS Bookstore. All files PDF format.

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Are researchers using more and more animals every year?
The number of animals used in research has actually declined in the past 20 years. As technology advances, researchers are able to rely on computer models and other methods instead of animal testing. Some estimates show a reduction in animal use as high as 50 percent. Since 1967, the number of cats used in research has dropped 66 percent.