Which characteristics of life are observed in viruses? What are some differences in how these characteristics of life are observed in viruses vs. bacteria, plants and animals?

What two fields of study provide the core information that is used to classify organisms?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.