In fact, none of the individual animals on the evogram is the direct ancestor of any other, as far as we know. That's why each of them gets its own branch on the family tree. Hippos are large and aquatic, like whales, but the two groups evolved those features separately from each other.
Pitavastatin (usually as a calcium salt) is a member of the blood cholesterol lowering medication class of statins, marketed in the United States under the trade name Livalo, and in European Union and Russia under the trade name Livazo.
Pravastatin is an HMG-CoA reductase inhibitor or statin.. It lowers levels of cholesterol and triglycerides in the blood. Statins may also reduce the risk of heart attack, stroke, or other health problems in patients with risk factors for heart disease. Pravastatin is also available as brand name Pravachol.