Significance half life radiometric dating techniques find love asia asian dating singles
adaptive landscape: A graph of the average fitness of a population in relation to the frequencies of genotypes in it.Peaks on the landscape correspond to genotypic frequencies at which the average fitness is high, valleys to genotypic frequencies at which the average fitness is low. adaptive logic: A behavior has adaptive logic if it tends to increase the number of offspring that an individual contributes to the next and following generations.Here the absence of evidence is evidence of absence.Other propositions are true by internal validation only: dark chocolate is better than milk chocolate; Led Zeppelin’s “Stairway to Heaven” is the greatest rock song; the meaning of life hinges on the number 42. The proposition that Jesus was crucified may be true by historical validation, inasmuch as a man whom we refer to as Jesus of Nazareth probably existed, the Romans routinely crucified people for even petty crimes, and most biblical scholars—even those who are atheists or agnostics, such as renowned religious studies professor Bart Ehrman of the University of North Carolina at Chapel Hill—assent to this fact.
For example, it is telling that among the tens of thousands of government e-mails, documents and files leaked in recent years, there is not one indication of a UFO cover-up or faked moon landing or allegation that 9/11 was an inside job by the Bush administration.Other methods must be used to estimate the age of rocks and minerals.acquired trait: A phenotypic characteristic, acquired during growth and development, that is not genetically based and therefore cannot be passed on to the next generation (for example, the large muscles of a weightlifter).These propositions are “true” in the sense that the evidence is so substantial that it would be unreasonable to withhold one’s provisional assent.It is not impossible that the dinosaurs died a few thousand years ago (with the universe itself having been created 10,000 years ago), as Young Earth creationists believe, but it is so unlikely we need not waste our time considering it.