What is carbon-14 dating, half life, homologous , analogous and vestigal?
Carbon-14 dating (also known as “Carbon Dating” or “Radiocarbon isotope dating” or similar) is a method for determining how old a sample of biological or organic material is by examining the amount of C14 (a radioactive isotope of carbon) contained within it. It is accurate from about 50 years to nearly 60,000 years. FWIW – carbon-dating is *not* used in evolution, because [1] 60,000 years is not long enough ago to notice significant evolutionary change, and [2] fossils no longer contain any organic component, and therefore have no carbon. Half-life is the amount of time it will take for the amount of something to reduce by half. The classic example is for radioactive isotopes: for example, the half-life of C14 is around 5,730 years. It can also be used in other situations, however: for example, drugs in your body have a half-life of remaining active. Homologous, in biological terms, means derived from the same structure, but performing different functions. The pentadactyl limb is a cl
