Which of the following is a surface barrier to infection?

skin

antibodies

antigens

lymph nodes

Why is bacteria alive?

What type of biological agent is anthrax?

What does each star on the map represent?

To which type of cancer is HPV link?

Is it possible for an observation to be accurate but not precise

Compare and contrast an exothermic chemical reaction and an exothermic solution formation by dissociation

What creates the bond between the sodium and chlorine ions

Hag fish have a mostly cartilaginous skeleton. How do they get enough force to tear flesh from the grey whale carcass?

Are viruses alive? Support your answer using at least five of the emergent properties of life. Your answer should include the property of life, how a virus satisfies or does not satisfy that property (for each of the five properties), and your

3 benifits of gene sequencing