Ellis Island was the principal federal immigration station in the United States from 1892 to 1954. More than 12 million immigrants were processed here. Over time, the immigration station spread over 3 connected islands with numerous structures including a hospital and contagious disease wards.
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Summary. 1  Aerobic and anaerobic are adjectives used in reference to organisms, cellular respiration and physical exercises. 2  Aerobic pertains to ârequiring airâ, while anaerobic means âwithout airâ. 3  Aerobic organisms can live and grow in the presence of oxygen, while anaerobic ones donât necessarily require it to survive. Aerobic respiration uses oxygen as the final electron acceptor in the generation of energy in the form of ATP. 2  In anaerobic respiration, an inorganic acceptor such as sulfur is utilized. 3  Aerobic metabolism is 19 times more efficient than anaerobic.