A man with Group A blood is said to be the father of a child with Group O blood. The mother has Group B blood. Could the man be the father? Draw Punnett square to explain your answer.

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

After getting the slide and microscope ready, stella is eager to see the microscopic pond water specimen! she crouches around her microscope and aligns her eye with the microscope’s eyepiece. but she's only able to see a bright white light. at this point, no specimens or cells are visible on stella's pond water slide. after taking a moment to collect her thoughts, stella realizes she can't see any lifeforms because .

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.