A Field Identified in a Table as Holding the Unique

question 24

Multiple Choice

A field identified in a table as holding the unique identifier of the table's records is called the:

• A)primary key.
• B)key field.
• C)primary field.
• D)unique ID.
• E)primary entity.

---

Definitions:

Convergent Evolution

The process where organisms not closely related independently evolve similar traits as a result of having to adapt to similar environments or ecological niches.

Speciation

The evolutionary process by which populations evolve to become distinct species, through mechanisms such as natural selection, genetic drift, and geographical isolation.

Coevolution

The process by which two or more species influence each other's evolution over time through interactions such as predator/prey or mutualism.

Herbivores

Animals that consume plants as their primary source of food, playing a crucial role in ecosystems by transferring energy from plants to higher trophic levels.