References

National Research Council. (1996). National Science Education Standards. Washington, DC: National Academies of Science.
National Science Board. (2006). Science and Engineering Indicators 2006, Chapter 7. Arlington, VA: National Science Foundation.
Wood, K. D. (2002). The Status of High School Biology Teaching: 2000 National Survey of Science and Mathematics Teaching. Raleigh, NC: Horizon Research Inc.
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