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 reduces levels of bad cholesterol, which is called low-density lipoprotein or LDL. It also raises levels of good cholesterol, which is called high-density lipoprotein or HDL, and it lowers levels of harmful triglycerides in the blood.