Pls I need quick answer to this How do you determine whether a man with blood group "O" and married to a woman of blood group "AB" is the father of a child with blood group "AB" born to them?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?