Pollination Is Considered an Important Ecosystem Service

question 46

Multiple Choice

Pollination is considered an important ecosystem service.People value pollination, and other ecosystem services, because they provide

• A) essential services that people cannot provide or that would be difficult or costly to replace.
• B) nonessential, but beneficial, services that simply enhance our lives.
• C) frivolous, but fun, services such as recreational areas or beautiful vistas.
• D) over-rated services that some people, such as environmentalists, consider important.
• E) essential services that we could provide for ourselves with little trouble but prefer not to.

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Definitions:

Horizontal Axis

In graphing, the horizontal line along which the values of one variable are plotted, often representing the independent variable or time.

Multiply Controlled Behaviors

A term used to describe a behavior serving different purposes for a student (e.g., making animal noises to escape a boring task and to get attention from peers).

Transfer of Function

The process by which a response or behavior developed in one context becomes applicable or relevant in another context.

Experimental Control

The rigorous management of variables in an experiment to ensure that the results can be reliably attributed to the variable being tested, rather than to extraneous factors.