What process accounts for species diversity?
mitosis
meiosis
symbiosis
predation

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.

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

The smallest parts of these that retain their original properties are called