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Found 2 resources:
An Antipodal Mystery
Grade Level(s):
- 9-12
- 13-16
Source:
- Herreid, Clyde Freeman
Resource type:
- Classroom activity
Time: 1 to 2 hours, ideally split over multiple class periods
Overview
The discovery of the platypus had the scientific world in an uproar with its mammal-like and bird-like features. How was one to classify the platypus? This case study uses this issue to model the scientific process, with scientists arguing, debating, collecting more evidence, and revising their opinions as new data become available.
Why Sex is Good
Grade Level(s):
- 13-16
Source:
- Herreid, Clyde Freeman
Resource type:
- Classroom activity
Time: portions of several class periods
Overview
This case study is based on a 2005 journal article that deals with the issue of sexual vs. asexual reproduction and their relative merits a question that has bedeviled biologists for more than a century. The article serves as the final stage of this case focusing on why sex is useful (at least in some circumstances).