Fewer offspring is a disadvantage of which form of reproduction?
mitosis
asexual reproduction
binary fission
sexual reproduction

Variety of living organisms; includes genetic, species, and ecological types.

Anton created a chart listing different types of materials. which best complete the chart?

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.