The Following Questions Refer to the Figure Above Showing a Fish

question 74

Multiple Choice

The following questions refer to the figure above showing a fish gill filament.
-Paired lungs are characteristic of

• A) some fishes.
• B) all amphibians.
• C) all birds.
• D) all mammals.
• E) all of these.

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Definitions:

Arithmetic Return

The simple average of a series of periodic returns of an investment.

Investment

The action of allocating resources, usually money, with the expectation of generating an income or profit.

Population

The total number of individuals within a specific area or of a particular species or group.

Rate of Return

The rate of return is the net gain or loss on an investment over a specified period, expressed as a percentage of the investment's initial cost.