Which of the Following Is True About an Entity Class

question 41

Multiple Choice

Which of the following is true about an entity class?

• A)It is a field or class of fields that uniquely identifies information about an entity.
• B)It is an occurrence of an entity class.
• C)It represents a group or class of information that sits separately from other information in the database.
• D)It typically consists of people,places,or things that you wish to store information about in the database.

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Definitions:

Tropical Communities

Tropical communities refer to the ecosystems found in the equatorial regions characterized by high biodiversity, warm temperatures, and significant annual rainfall.

Food Chain

The series of organisms through which energy flows in an ecosystem. Each organism in the series eats or decomposes the preceding organism in the chain.

Competitive Exclusion

A principle stating that two species competing for the same limiting resources cannot coexist at constant population values.

Character Displacement

The phenomenon where differences among similar species whose distributions overlap geographically are accentuated in regions where the species co-occur, but are minimized or lost where the species' distributions do not overlap.