X 10
Which are characteristics of medusae?
X
are sessile, have tentacles, mouths open downward
swim freely, lack tentacles, mouths open upward
swim freely, have tentacles, mouths open downward
are sessile, lack tentacles, mouths open upward

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism