Final answer:
All life on Earth shares much of the same metabolic processes because they evolved from a common ancestor.
Step-by-step explanation:
All life on Earth shares much of the same metabolic processes because they evolved from a common ancestor. The similarities in metabolic pathways suggest that these pathways have been conserved throughout evolution, allowing organisms to harvest energy from their environment and convert it to ATP for cellular functions. Over time, the pathways have diverged, adding specialized enzymes to adapt to different environments.