Which type of cell has the following characteristics? - they are larger in size - they have a nucleus and membrane bound organelles - they are living a. prokaryotic cells b. bacteria cells c. simple cells d. eukaryotic cells

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.

Variety of living organisms; includes genetic, species, and ecological types.

How do living things obtain phosphorus