Pass along their traits through DNA

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