The Fossil Record Is Biased Because of Selective Preservation of Organisms

question 44

Short Answer

The fossil record is biased because of selective preservation of organisms with ____________________ parts.

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Definitions:

Major Organic

This term lacks specificity without additional context but could refer to the principal or most significant organic compound(s) or molecule(s) in a given context.

Methyl Ester

Organic compounds formed from the reaction of an acid with methanol, characterized by a methyl group attached to the ester functional group.

Carboxylic Acid

Organic acids characterized by the presence of at least one carboxyl group (-COOH), which gives them their acidic properties.

Hell-Volhard-Zelinsky

A chemical reaction that halogenates carboxylic acids at the alpha carbon with a bromine or chlorine in the presence of phosphorus.