Multiple ChoiceWhich method is used to place fossils in layers of rock according to the order in which organisms evolved?29views
Multiple ChoiceWhich characteristic is most widely used in classifying intertidal communities?25views
Multiple ChoiceIn a cladogram, the diagonal arrow typically indicates that we are moving _________ in time.22views
Multiple ChoiceWhen using a dichotomous key in taxonomy, what is the first step you should always begin with?29views
Multiple ChoiceIn the six-kingdom classification system, which kingdom includes organisms that are multicellular, lack cell walls, and are heterotrophic by ingestion?28views
Multiple ChoiceAmong the invertebrate phyla, phylum Arthropoda is unique in possessing members that have:28views
Multiple ChoiceWhich kingdom has been replaced with two separate domains in modern biological classification?7views
Multiple ChoiceWhich of the following pairs of organisms are most closely related in terms of taxonomy?189views
Multiple ChoiceWhich extant chordates are most similar in appearance to the earliest chordates?26views
Multiple ChoiceWhich vertebrate taxon or taxa originated as a result of duplication of Hox genes?29views