Average Energy Use Per Person in the United States Today

question 5

Multiple Choice

Average energy use per person in the United States today is about

• A) the same as the world average.
• B) 50 percent more than the world average.
• C) 4 times the world average.
• D) 10 times the world average.

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Definitions:

Tapeworms

Parasitic flatworms that live in the digestive tracts of vertebrates, absorbing nutrients from the host's intestine.

Choanoflagellates

A collective of independent, single-celled and colonial flagellated eukaryotic organisms regarded as the nearest living kin to animals.

Segmentation

The division of a body into repetitive sections or segments; a characteristic of many animals, including annelids and arthropods.

Heteroplasy

The occurrence of similar traits or features in species that aren't closely related, due to convergent evolution or other processes, rather than common ancestry.