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How have you heard the word metabolism used in daily conversation? How does this usage differ from the actual
definition of metabolism?

In daily conversation, metabolism tends to be used to refer to the word "digestion." However, its actual definition is the sum of all chemical reactions that occurs in an organism to maintain life and not just digestion.

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.