Which two species are most closely related? How do you know?
Which species is most distantly related to the
other three? Explain.

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

What statements describe a host organism?

Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h,o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.