The need for energy, gained by respiration and photosynthesis, is the driving force of the oxygen cycle.
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How had the study of mitosis affected scientists knowledge of cancer

Aperson with age is more likely to catch diseases that healthy people usually don’t catch.what are these infections called?

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.