Placental and Marsupial Mammals Differ from Monotremes in That ____

question 45

Multiple Choice

Placental and marsupial mammals differ from monotremes in that ____.

• A) monotremes give birth to live young
• B) placental and marsupial mammals do not have eggs
• C) monotremes are found only in Australia
• D) placental and marsupial mammals give birth to live young
• E) placental and marsupial mammals have better developed teeth

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Definitions:

Opportunity Cost

The loss of potential gain from other alternatives when one particular alternative is chosen.

Savings Account

A deposit account held at a bank or other financial institution that provides principal security and a modest interest rate.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the efficiency with which a company utilizes its resources.

Explicit Costs

are direct, out-of-pocket payments for expenses incurred by a business or individual.