Which pair of elements are the most common found in the sun? a. helium and oxygen b. carbon and hydrogen c. hydrogen and helium d. helium and oxygen

What happens when the cell copies its chromosomes

The science for classifying and naming organisms is known as

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 ?