<span>The oesophagus is the muscular tube in humans and most other vertebrate organisms that carries food from the pharynx, or throat, down to the stomach. It is lined with a thick, moist pink tissue called mucosa.</span>
Explanation: C.) DNA polymerase
<h2>Answer </h2>
Option D - The Linnaean system of classification used a nested hierarchy to sort organisms into groups based on similarities and differences in their characteristics. kingdom → phylum → class → order → family → genus → species.
<u>Explanation</u>
The family is missing from the Linnaean system of classification that is used for nested hierarchy. Carolus Linnaean worked for the taxonomy. It is the system of classifying and naming organisms. This system includes eight taxa: domain, kingdom, phylum, class, order, family, genus, and species. Linnaeus presented us with a uniform way to identify species called binomial nomenclature.
The area becomes more diverse with more kinds of clams because they don't have starfish there as a threat anymore