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
Overview. Fumaric acid is a common food additive included in many processed foods to keep them stable and to add tartness. The substance has a more sour flavor than citric acid, another common food additive.Fumaric acid occurs naturally in fumitory, bolete mushrooms, lichen and Iceland moss.umaric acid is added to some processed fruits and vegetables, including dried, canned, frozen and cooked versions. The processed vegetable category includes not only standard green and yellow vegetables but also mushrooms, root vegetables, legumes, aloe vera and seaweed.