Scientists Believe That a Major Factor Promoting the Adaptive Radiation

question 52

Multiple Choice

Scientists believe that a major factor promoting the adaptive radiation of mammals was probably

• A)their development of fur.
• B)the mass extinction of most dinosaurs, an event that opened up new ecological opportunities.
• C)internal fertilization.
• D)the origin and diversification of flowering plants.

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Definitions:

Salvage Value

The calculated remaining value of an asset after it has served its anticipated lifetime.

Opportunity Costs

Missing out on possible advantages from various alternatives upon deciding on one.

Sunk Cost

A cost that has already been incurred and cannot be recovered or refunded, and thus should not influence future financial decisions.

Book Value

Book value is the net value of a company's assets found on its balance sheet, calculated as total assets minus total liabilities and intangible assets.