Students must pass the applicable course testâBasic, Advanced, Military, or International in order to perform these duties. All volunteers who prepare or review returns must be certified in Basic, at a minimum. Volunteers can stop at Basic or proceed with other courses and certification levels.
Definition of paleobiology. : a branch of paleontology concerned with the biology of fossil organisms.
Definition of ETIOLOGY. 1. : cause, origin; specifically: the cause of a disease or abnormal condition. 2. : a branch of knowledge concerned with causes; specifically: a branch of medical science concerned with the causes and origins of diseases. See etiology defined for kids. ADVERTISEMENT.