Biology Science Why are parasites alive but not viruses? March 4, 2026 by Myaya | Leave a Comment Parasites are living organisms because they possess all the characteristics of life, such as cellular structure, metabolism, growth, reproduction, and response to stimuli. Viruses, on the other hand, are not considered living because they lack these fundamental biological attributes and require a host cell to replicate. The Living vs. Non-Living Debate: Parasites vs. Viruses Understanding […] Read more ยป