• One theory for evolutionary change in species that suggests evolution occurs slowly by steadily and that tiny changes in a species add up to major changes over very long periods of time: ,Gradualism
,
• Any trait that developes in an organism that helps them survive and reproduce: ,Adaptation
,
• A group of simmilar organisms that can mate with each other and produce fertile offspring: ,Species
,
• A technique that allows scientist to determine the actual age of fossils: ,Radioactive Dating
