Radiocarbon Dating – A method of dating the approximate ages of extinct organisms, artifacts, rock formations, and so on by measuring the amount of carbon-14 that they contain.
Reciprocal Altruism – Mutually cooperative behavior among different members of a species that enhances the chance of reproductive success of both donor and recipient.
Recombinant DNA (Gene Splicing) - A technique in which scientists alter genetic material by introducing one or more genes of an organism into another organism.
Reciprocal Altruism – Mutually cooperative behavior among different members of a species that enhances the chance of reproductive success of both donor and recipient.
Recombinant DNA (Gene Splicing) - A technique in which scientists alter genetic material by introducing one or more genes of an organism into another organism.