If a 1:M Relationship Is Optional on Both Sides,which of the Following

question 81

Multiple Choice

If a 1:M relationship is optional on both sides,which of the following is true?

• A)The resulting foreign key can have null (empty)values
• B)The resulting foreign key cannot have null (empty)values
• C)The resulting foreign key must have null (empty)values
• D)No foreign key is created as a result of mapping such a relationship

Distinguish between different ecological concepts such as populations, communities, and ecosystems.

Define and recognize the traits of r-strategists and opportunistic species.

Understand factors affecting biotic potential and population growth.

Explain different types of species interactions, including symbiotic relationships.

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Definitions:

Direction

Guidance or supervision provided to perform tasks or to achieve goals and objectives.

Persistence

The quality of continuing steadfastly or firmly in some state, purpose, course of action, or the pursuit of an objective, despite obstacles.

Maslow's

Refers to Maslow's hierarchy of needs, a psychological theory proposing a hierarchy of human needs in the form of a pyramid, from physical survival to self-actualization.

Individual Needs

The personal requirements or desires that drive behavior and motivate actions in people, aiming to achieve a sense of fulfillment or satisfaction.