All Ecosystems

question 61

Multiple Choice

All ecosystems:

• A)Need a continuous outside energy source
• B)Once mature never change
• C)Are entirely self-sufficient
• D)Consist of only living organisms
• E)None of the above are correct

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Definitions:

Equation

An assertion in math that two expressions are equivalent.

Square

A geometric figure with four equal sides and four right angles or the operation of raising a number to the power of two.

Depreciated Value

The reduced worth of an asset after accounting for depreciation, usually over its useful life.

Purchases

The process of purchasing products or services.