The First Step to Building an Entity Relationship Diagram Is

question 58

Multiple Choice

The first step to building an Entity Relationship Diagram is to _____

• A)Identify data flows from the level 0 DFD diagram
• B)draw the relationships between the entities
• C)identify the attributes for each entity
• D)identify the entities
• E)identify the processes,data flows and data stores

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Definitions:

True Coelom

A fluid-filled body cavity completely lined by tissue derived from the mesoderm, found in most complex animals, which provides a space for organ development and movement.

Sponges

Simple aquatic animals that draw water containing food particles into their porous bodies by means of flagellated cells.

Hydras

A type of small, freshwater organisms from the phylum Cnidaria, known for their regenerative abilities.

Flatworms

Invertebrates such as planarians and tapeworms with extremely thin bodies, a three-branched gastrovascular cavity, and a ladder type nervous system.