A Single Common Ancestor Evolving into the Current 28 Species

question 77

Multiple Choice

A single common ancestor evolving into the current 28 species of silversword plants found among the Hawaiian islands is an example of

• A) adaptive radiation.
• B) punctuated equilibrium.
• C) extinction.
• D) gradualism.
• E) a prezygotic barrier to evolution.

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Definitions:

Accounts Receivable

Funds that clients or customers owe to a company for products or services that have been provided but not yet compensated for.

Necessary Cash

The minimum amount of cash required by a company to carry out its day-to-day operations.

Contra Asset Account

An account on a company's balance sheet representing deductions from the gross amount of an asset, such as accumulated depreciation on fixed assets.

Allowance for Doubtful Accounts

An accounting method used to estimate the portion of a company's receivables that may not be collected, reducing the accounts receivable balance accordingly.