The Relationship Between a Parent Object and Its Associated Subtype

question 19

Multiple Choice

The relationship between a parent object and its associated subtype objects is a(n) ________.

• A)HAS-A relationship
• B)WANTS-A relationship
• C)NEEDS-A relationship
• D)IS-A relationship

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Definitions:

Stomata

Tiny openings or pores in plant tissue that allow for gas exchange, including the intake of carbon dioxide and release of oxygen.

Membrane Permeability

The ability of a membrane to allow substances to pass through it, which can be regulated to maintain cellular homeostasis.

Acid Precipitation

Precipitation that is acidic as a result of both sulfur and nitrogen oxides forming acids when they react with water in the atmosphere.

Soil PH

A measure of the acidity or alkalinity of soil, affecting nutrient availability and microbial activity.