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The Following Questions Refer to This Hypothetical Situation

question 52

Multiple Choice

The following questions refer to this hypothetical situation.
A female fly, full of fertilized eggs, is swept by high winds to an island far out to sea. She is the first fly to arrive on this island, and the only fly to arrive in this way. Thousands of years later, her numerous offspring occupy the island, but none of them resembles her. There are, instead, several species, each of which eats only a certain type of food. None of the species can fly, for their flight wings are absent, and their balancing organs (in other words, halteres) are now used in courtship displays. The male members of each species bear modified halteres that are unique in appearance to their species. Females bear vestigial halteres. The ranges of all of the daughter species overlap.
-Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then species W and Y

Definitions:

Expelled

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Expiration

The process of breathing out; also called exhalation.

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A group of tests conducted to evaluate how well the lungs are working in terms of their ability to take in and release air and how efficiently they transfer oxygen into the blood.

Patient Preparation

The process of readying a patient for a medical procedure or treatment, including instructions or actions needed to ensure safety and effectiveness.