Consume energy sources and expel waste products to maintain homeostasis
Respond to their environments Respond to stimulus
Change over time Can differ as individuals while still being part of a species Are made up of cells
Review the following videos to understand what viruses are and how they work: Flu Attack! How a Virus Invades Your Body What is a Virus? How do Viruses Work? Reading these discussions may help you to form your arguments on the status of viruses: Are Viruses Alive? Are Viruses Alive? Although Viruses Challenge Our Concept of What “Living” Means, They Are Vital Members of the Web of Life