magnitud r 850. 8 n y direccion 100.7 grados magnitud r 850.8 n y direccion 101.7 grados magnitud r 852.8n y direccion 101.7 grados magnitud r 855.8 n y direccion 100.7 grados

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:

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.