Darren needs to show the ancestral relationship between two species. what picture would best be suited to show a common ancestry?

Use this diagram of an animal cell to answer the question. where does the first stage of cellular respiration occur? w x y z

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.

What element is able to combine with itself and hydrogen to form large molecules ?