The Definition for ____ Also Defines a Candidate Key

question 20

Multiple Choice

The definition for ____ also defines a candidate key.

• A)functional key
• B)natural key
• C)primary key
• D)surrogate key

---

Definitions:

Biotic Factors

Components of an ecosystem that are living, including plants, animals, and microorganisms.

Abiotic Factors

Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Ecosystem

A biological community of interacting organisms and their physical environment.

Primary Consumers

Organisms that feed on primary producers; they are usually herbivores that eat plants and algae.