Which system is found in a baboon, but not in a flatworm? a respiratory system a nervous system a digestive system

Before the can be observed by using a transmission electron microscope, cells are sliced into very thin sections. what disadvantage does this procedure present in the study of cellular parts

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What are the three types of counseling established by marine corps policy?