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
Medical Definition of FORMIC ACID. : a colorless pungent fuming vesicant liquid acid CH2O2 found especially in ants and in many plants and used chiefly in dyeing and finishing textiles.See formic acid defined for kids.efinition of FORMIC ACID. : a colorless pungent fuming vesicant liquid acid CH2O2 found especially in ants and in many plants and used chiefly in dyeing and finishing textiles. See formic acid defined for kids. ADVERTISEMENT.