________ Are Attributes Whose Values Are Associated with One and Only

question 42

Multiple Choice

________ are attributes whose values are associated with one and only one entity instance.

• A)Descriptors
• B)Cardinalities
• C)Dependencies
• D)Identifiers

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Definitions:

Top of Ocean Food Chains

Predators that occupy the highest trophic levels in marine ecosystems, controlling the population and health of the ecosystem indirectly.

Predators

Animals that hunt, kill, and consume other organisms for food.

Invasive Species

Non-native organisms that spread rapidly in new environments, often causing harm to native species, human health, and economies.

Generalists

Organisms that have a broad niche and can thrive in a wide variety of environmental conditions and can make use of a variety of different resources.