Choose the One Most Appropriate Answer for Each.​

question 9

Multiple Choice

Choose the one most appropriate answer for each.​

-Miocene

• A) includes modern humans and their extinct bipedal relatives.
• B) a population of Homo spp. that lived from as recently as 28,000 years ago; tool users and artisans
• C) the order that includes animals with freely swiveling limbs, mobile grasping digits, upright body posture, good depth perception, and exquisite neural control
• D) organisms in a group that includes New World and Old World monkeys, apes, and humans
• E) an era that began 65 to 63 million years ago; characterized by the evolution of birds, mammals, and flowering plants
• F) an epoch of the Cenozoic lasting from 23.8 million to 5.3 million years ago; characterized by the appearance of hominoid species now assigned to the genus Proconsul
• G) an epoch of the Cenozoic lasting from 5.3 million to 1.8 million years ago; characterized by the appearance of distinctly modern plants and animals
• H) informal name for chimpanzee-sized hominins that lived in Africa from 4 million to 1.2 million years ago.
• I) a group including humans and human-like species

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Definitions:

Perfectly Competitive

A market structure where there are many buyers and sellers, all of whom have negligible impact on the market price.

Marginal Cost

The increment in total spending due to the manufacture of one more unit of a product or service.

Fixed Cost

Fixed Cost is a business expense that does not change with the level of goods or services produced within a certain period.

Variable Costs

Variable costs fluctuate with the level of output, increasing as production rises and decreasing as production falls.