One of Your Professors Says That Fleas Jump So High

question 32

Multiple Choice

One of your professors says that fleas jump so high because they have specially adapted leg structures and muscles.But your other professor says that fleas jump high because evolution selected for individuals with genes that helped them avoid being damaged by the scratching behavior of their host.So -- why do fleas jump high?

• A)Because they have specially adapted leg structures and muscles.
• B)Because evolution selected for individuals with genes that helped them avoid being damaged by the scratching behavior of their host.
• C)The ultimate cause is that they have specially adapted leg structures and muscles,and the proximate cause is that evolution selected for individuals with genes that helped them avoid being damaged by the scratching behavior of their host.
• D)The proximate cause is that they have specially adapted leg structures and muscles,and the ultimate cause is that evolution selected for individuals with genes that helped them avoid being damaged by the scratching behavior of their host.

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Definitions:

Microbiome

The millions of microorganisms that live on and in our bodies, some of which are pathogenic but many of which are essential to the healthy functioning of critical systems.

Apgar Score

A quick assessment of a newborn's physical condition performed at one and five minutes after birth, evaluating heart rate, respiration, color, muscle tone, and reflexes.

Extremities

The farthest or most remote parts, points, or organs in the body, usually referring to the arms and legs.

Medical Interventions

Actions or procedures undertaken by healthcare professionals to prevent, diagnose, treat, or manage illnesses, diseases, and injuries.