The 6-8 teachers' lounge. Evolution Is Only A Theory. Chuckabees.pdf. Using Appropriate Terminology. Function not purpose The purpose of a hammer is to pound nails. One function of a hand is to hold a hammer. Designed tools have purposes. Structures and behaviors of living things have functions. This is an important distinction in the science classroom. Evidence not proof We often hear news stories in which the narrator refers to having “enough proof.” This is an example of confusing the terms, “proof” and “evidence.” Primitive and advanced The average person might see an opossum as more primitive than a cat. Theory vs. hypothesis A theory is an explanation. A hypothesis is a testable idea. Believe or accept “Do you believe in evolution?” Defender's Guide to Science and Creationism.
Introduction Share Not for over a century has there been any scientific controversy over creationism. Having no science to offer, contemporary advocates of creationism opt instead to press their views through lawsuits and campaigns of misinformation, seeking to bypass the scientific community altogether and directly indoctrinate the next generation of students with fraudulent objections to science. Although creationist legal maneuvers have thus far resulted in one spectacular failure after another, the creationist PR effort has enjoyed more success. The only hope for those who care about science is to match misinformation with information: to invest as much time and money into educating the public as creationists do into misleading it. The Internet contains many good resources for those who wish to defend science, including the links to the left. Assertions Analyzed Bracketed dates indicate a new entry.
I: Cosmology and astronomy Objections to Big Bang theory Miscellaneous Mutation Speciation. Understanding Evolution. Natural selection. Evolution via Roadkill. Cliff swallows that build nests that dangle precariously from highway overpasses have a lower chance of becoming roadkill than in years past thanks to a shorter wingspan that lets them dodge oncoming traffic.
That's the conclusion of a new study based on 3 decades of data collected on one population of the birds. The results suggest that shorter wingspan has been selected for over this time period because of the evolutionary pressure put on the population by cars. "This is a clear example of how you can observe natural selection over short time periods," says ecologist Charles Brown of the University of Tulsa in Oklahoma, who conducted the new study with wife Mary Bomberger Brown, an ornithologist at the University of Nebraska, Lincoln. "Over 30 years, you can see these birds being selected for their ability to avoid cars.
" The Browns have studied cliff swallows (Petrochelidon pyrrhonota) in southwestern Nebraska since 1982. Fancher Essays.