Which are electrical "nodes" of the heart? Check all that apply.

sinoatrial node

aortic node

lymph node

heart node

atrioventricular node

sinoatrial node and atrioventricular node

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.

can i get the brainliest pls

explanation:

blue

light-years

magnitude