Carl H. Eigenmann an ichthyologist wrote Cave vertebrates of America: a study in degenerative evolution (1909) in which he concluded that cave evolution was essentially degenerative. The entomologist William Morton Wheeler and the Lamarckian Ernest MacBride (1866-1940) also advocated degenerative evolution.
fumaric acid - a colorless crystalline acid with a fruity taste; used in making polyester resins. acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt. Translations. FumarsÃ¤ure
What is Maleic Acid? Maleic Acid is also known as cis-butenedioic acid, toxilic acid, cis-1,2-Ethylenedicarboxylic acid. It is commercially available as the crystalline material or as an aqueous solution in water (40%). It may contain fumaric acid (0.1%) and water (less than 0.5%) as impurities.Uses: It is mainly used for making Maleate Salts of Bulk-Drugs like Pheneramine Maleate, Chloropheneramine Maleate and others.t may contain fumaric acid (0.1%) and water (less than 0.5%) as impurities. Uses: It is mainly used for making Maleate Salts of Bulk-Drugs like Pheneramine Maleate, Chloropheneramine Maleate and others.