Which statements describe the inheritance of traits? Select three options.

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

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?