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
Tartaric acid is a white crystalline organic acid that occurs naturally in many plants, most notably in grapes.he acid itself is added to foods as an antioxidant and to impart its distinctive sour taste. Tartaric is an alpha-hydroxy-carboxylic acid, is diprotic and aldaric in acid characteristics, and is a dihydroxyl derivative of succinic acid.