The range of conditions under which an organism functions the best is that organisms

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.

Aplant may open end close its stomata to prevent excess water loss and maintain

What’s the student’s scientific question