Mother is blood type ab. father is blood type o. what are the possible blood types of their offspring? (use a scrap paper to draw a punnet square to get your answer, if you want)

Diffusion and osmosis are forms of passive transport

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.

Match each symbol with its description.