In Class, Your Professor Shows You an MRI Scan of a Primate

question 18

Multiple Choice

In class, your professor shows you an MRI scan of a primate brain.The professor points out the relatively large size of the olfactory bulb beneath the frontal lobe.This suggests to you that this

• A) primate exhibits a derived trait for an enhanced sense of smell, since this trait is not commonly observed in mammal species.
• B) is a species of anthropoid because it has an increased reliance on vision.
• C) primate must be a species of Strepsirhini, as that suborder of primates relies heavily on the sense of smell for many aspects of daily life.
• D) species is nocturnal.

---

Definitions:

Diseconomies of Scale

This occurs when a company grows so large that the costs per unit increase.

Levels of Output

Levels of output refer to the quantity of goods or services produced by a firm or industry over a specific period.

Economies of Scale

The cost advantages that enterpises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Learning-by-doing

Learning-by-doing is the process of improving skills and efficiency in a task or operation through practical experience and repetition over time.