A scientist would most likely need to update her model when it has become too simple. no longer supports the latest results. reduces the need for verbal explanation of data. no longer appears interesting.

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Whats one way that rocks do not follow the typical rock cycle pathway?

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 ?