Asexual reproduction involves A.
only one parent and results in offspring that are identical to the parent.
B.
two parents and results in offspring that are identical to one parent.
C.
only one parent and results in offspring that are very different from the parent.
D.
two parents and results in offspring that are different from both parents.

1. beginning with all chambers of the heart in the "relaxed" phase, describe the cardiac cycle in mammals, with systole and diastole of the atria and ventricles. for each time point in the cycle you select, state the following: • whether the atria and ventricles are contracting or relaxing • whether the av valves and semilunar valves are closed or open • whether the pressure in the atria and ventricles is high or low