If two mice both have grey fur, similar body shapes, and live in the same area, they would likely have been considered the same species by Linnaeus when he first developed his system of classification in the early 1700s. What could be done today, that Linnaeus could not do, to help us determine more clearly if they are the same species?

What is thought to have caused the mass extinction at the end of the cretaceous period?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?