#t By making a comparison between children's motive and scientists'motive in killing and mutilating animals;both children and scientists try to satisfy their curiosity about how creatures move; children's motive is selfish while scientists work for the advancement of human knowledge,i.e.to satisfy collective curiosity,therefore they are justified,but they may work for other purposes By making a comparison between children’s motive and scientists’ motive in killing and mutilating animals; both children and scientists try to satisfy their curiosity about how creatures move; children’s motive is selfish while scientists work for the advancement of human knowledge, i.e. to satisfy collective curiosity, therefore they are justified , but they may work for other purposes