Two different unicellular organisms are examined Scientists find that Species X always produces lactic acid during cellular resp
iration. Species Y always produces ethyl alcohol and carbon dioxide. Which conclusion can be made from these observations? a)Species X is anaerobic, and Species Y is aerobic
b)Species Y is anaerobic, and Species X is aerobic
c)Both Species X and Y are aerobic
d)Both species X and Y are anaerobic
C. Upward; downward. As the hot rock rises, cooler rock flows downward to take its place next to the core, where it is heated and becomes buoyant enough to rise again later
