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How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.
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Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen
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Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.
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Which organelles in a plant cell are involved in converting food to energy during cellular respirati...
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