Which of the Following Is Not True of the Fossil

question 124

Multiple Choice

Which of the following is not true of the fossil record?

• A)The fossil record spans 3 billion years of Earth's 4.6 billion year age.
• B)The most common fossils are from organisms that had hard parts like shells and bones.
• C)Similar to present day stromatolites,the first fossils were simple,anaerobic algal plants.
• D)The Paleozoic era is credited with the emergence of life.

---

Definitions:

Acid Chloride

A class of organic compounds derived from carboxylic acids by replacing the hydroxyl group with a chlorine atom, used in organic synthesis.

Fischer Esterification

A chemical reaction that forms an ester upon the treating of an alcohol with a carboxylic acid in the presence of acid catalyst.

Acetic Acid

A clear, colorless liquid with a strong vinegar odor, widely used as a solvent and chemical reagent, particularly in the production of vinyl acetate monomer and acetic anhydride.

Cyclohexanol

A cyclic alcohol with the formula C6H11OH, characterized by a six-membered ring with a single hydroxyl group attached.