Biology
Which chickens are better at fighting off a virus, and why?
+ Introductory video on selective breeding
+ Links to natural selection and selective breeding lesson plans
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+ Introductory video on selective breeding
+ Links to natural selection and selective breeding lesson plans
+ Introductory videos on mouse models and paraisitic worms
+ Link to CDC’s tranismission of diseases lesson plan
+ Introductory video on frogs and chytrid fungi
+ Link to a lesson plan about amphibian decline
