The National Science Teachers Association has made an organizational statement that recommends “emphasizing” the theory of evolution in the classroom.

The National Association of Biology Teachers promotes biology and life science education. Its members have made a statement in favor of the teaching of evolution theory.

The International Society for Complexity, Information and Design is a nonprofit that proposes to “retrain the scientific imagination to see purpose in nature.”

Answers in Genesis is a Christian group that promotes creationism. It runs the Creation Museum in Petersburg, Ky.

Reasons to Believe is a Christian ministry that supports people who want to find scientific proof of biblical events.

The Alpha Omega Institute promotes the teaching of creationism.

Access Research Network is a nonprofit that provides information on science, technology and social issues and includes descriptions and discussions of intelligent design.

The Institute for Creation Research is a Christian-based creation ministry.

The Intelligent Design Network is a nonprofit organization that seeks to promote objectivity in origins education in public schools.