What process would you consider essential for maintaining life?

Life processes are biological/cellular activities that maintain homeostasis, keep the organism alive and propagate the species. Nutrition, respiration, transportation, locomotion, excretion, reproduction and sensitivity

  • Metabolism ­ includes all the chemical reactions that maintain homeostasis.
  • These metabolic (chemical) reactions occur in all the other life processes.
  • Nutrition is the process of obtaining food and processing the food for use by the organism.
  • All activities involve maintaining homeostasis and allows organisms to respond to changes in the environment.
  • Synthesis is the metabolic process that combines small molecules to build larger molecules.

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