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Which term refers to the organic processes necessary for life in a cell or organism?

  1. the marked transformation of a larva into an adult

  2. the basic unit of length

  3. the organic processes necessary for life

  4. solid inorganic substances occurring in nature

The correct answer is: the basic unit of length

The term that best refers to the organic processes necessary for life in a cell or organism is specifically linked to the processes of metabolism and cellular functions that sustain life. These include anabolic and catabolic reactions, which involve the building up and breaking down of substances in the body to produce energy and maintain cellular organization. The choice related to the basic unit of length refers more to measurement and is not connected to biological processes. The transformation of a larva into an adult pertains to a specific developmental stage in certain organisms, rather than to the overall processes necessary for life itself. Lastly, solid inorganic substances occurring in nature do not involve the organic processes that are essential for life, as they focus on non-organic materials. Thus, the correct recognition of the term for the organic processes is crucial for understanding cell and organism functioning.