Modern ultrastructural, biochemical, and genetic evidence has rendered the term protozoan highly problematic. For example, protozoan historically referred to a protist that has animal-like traits, such as the ability to move through water as though âswimmingâ like an animal.
Sacrifice. An image of an Aztec obsidian sacrificial knife. While these web pages have concentrated on the religion and world view of the Aztecs, one aspect of their culture and a vital element of important rituals cannot be ignored: death sacrifice.n image of an Aztec obsidian sacrificial knife. While these web pages have concentrated on the religion and world view of the Aztecs, one aspect of their culture and a vital element of important rituals cannot be ignored: death sacrifice.
Though the Aztecs likely saw human sacrifice as crucial to their survival, itâs not quite clear how bloodthirsty they actually were. Reports passed down by Spanish conquistadors and other European observers suggest that human sacrifice occurred on a massive scale in the Aztec world.