As newts' poison became more toxic, the garter snake's resistance to it became more efficient. this is an example of
coevolution
divergent evolution
convergent evolution
adaptive radiation

What causes darkening of the skin as melanin production increases

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 ?

Were you able to observe the nucleolus in any of the cells if so which ones