-Refer to Table 5

question 36

Multiple Choice

-Refer to Table 5.2. We can conclude that the marginal-cost curve intersects the average-variable-cost curve at ____ units of output and the average-total-cost curve at ____ units of output.

• A) 1; 1
• B) 2; 3
• C) 4; 4
• D) 4; 5
• E) 6; 7

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Definitions:

Dermal Gills

Respiratory structures in some aquatic animals that allow for gas exchange directly through the skin.

Book Lungs

Respiratory organs in certain arachnids, such as spiders and scorpions, consisting of stacked plates for gas exchange.

Operculum

In bony fishes, a protective flap of the body wall that covers the gills.

Swim Bladders

Gas-filled sacs in fish that help maintain buoyancy in the water column.