Compared to the Linnaean system of classification, what is the advantage of classifying species into clades? A. Clades show evolutionary relationships. B. Clades identify domains and kingdoms. C. Clades group single-celled organisms separately from multicellular organisms. D. Clades include more species.

A. Clades show evolutionary relationships

Explanation:

Linnaean system is a system of classification that classifies every organism into a kingdom, phylum, class, order, family, genus, and species. This system was created in that time when scientists have no understanding about the evolution of organisms. So this system is not based on the evolutionary relationships among different organisms.

On the other hand in phylogenetic system of classification the organisms are grouped into clades. A clade is a group of organisms that have been descended from a common ancestor. So, clades show the evolutionary relations and thus these are better than Linnaean system.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation:

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.