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
fumaric acid. 1. a colorless, odorless, crystalline, slightly water-soluble solid, C 4 H 4 O 4 , isomeric with maleic acid, essential to cellular respiration in most eukaryotic organisms: used in the making of synthetic resins and as a replacement for tartaric acid in beverages and baking powders.