Within the amniote egg, the embryo is contained within a fluid-filled sac called the:
A. chorion
B. allantois
C. amnion
D. yolk sac
C. amnion
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You’ve just stepped out of a time machine to some unknown year, and you’re watching a performance of a Shakespearean tragedy. The performers place great emphasis on the words and the emotions, and they are always facing the audience, often
addressing it directly. One performer seems to garner most of the attention on stage, though at the end of one scene, all performers strike a pose and hold it for some time. You are almost certainly watching: a. local color acting b. melodramatic acting c. Method acting d. Realistic acting e. Romantic acting
The ______ epoch has been called the "Ice Age."
a. ?Eocene b. ?Pliocene c. ?Miocene d. ?Pleistocene e. ?Paleocene
All of the following are results of the Industrial Revolution and industrialization EXCEPT:
A) decreasing consumer choices. B) decline in the percentage of the population directly involved in food production. C) pronounced environmental degradation and climate change. D) high levels of economic inequality. E) increase in hazardous air pollutants.
When a firm produces zero output, its total cost is ________.
A) zero B) equal to its fixed cost C) equal to its sunk cost D) equal to its variable cost