What is this organism? What characteristics does it have? To what other organisms is it related? Is it a vertebrate or an invertebrate? What does it eat? What role does it play in the ecosystem? All biology teachers have particular topics that they really don't like to teach, and topics that we LOVE LOVE to teach. Teaching classification is a topic that I LOVE! Classification and taxonomy involves problem solving and critical thinking. Basically a taxonomist is a "living organism detective."...