Secondary Data in Online Databases Can Be Accessed Either Directly

question 205

Multiple Choice

Secondary data in online databases can be accessed either directly or via Internet search engines or

• A)portals through keyword searches.
• B)internal statistical data.
• C)probability sampling data.
• D)personal chat rooms.
• E)social media such as Facebook.

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Definitions:

Biological Magnification

The increasing concentration of a substance, such as a toxic chemical, in the tissues of organisms at successively higher levels in a food chain.

Food Chain

A series of organisms each dependent on the next as a source of food, representing the flow of energy and nutrients in an ecosystem.

Chemical Pollutant

Substances introduced into the environment that pose risks or harm to ecosystems, animals, or human health, often resulting from industrial, agricultural, or urban activities.