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.
paleness of color as a result of illness or exclusion from light. See also plants. etiology, aetiology. 1. the branch of medical science that studies the causes of diseases and the factors underlying their spread. 2. the accumulated knowledge of disease causes.ee also order and disorder. avitaminosis. any disease or illness caused by an insufficiency of one or more vitamins. â avitaminotic, adj. blennorrhea, blennorrhoea. an abnormal discharge of mucous matter.