Based on Anderson and Johnson's Conclusions Regarding the Evolution of Tongue

question 32

Multiple Choice

Based on Anderson and Johnson's conclusions regarding the evolution of tongue length in long-tongued flies, which of the following would be expected?

• A) A study demonstrates that in populations with shorter tongues, other nectar sources have very long nectar tubes.
• B) A behavioral study demonstrates that flies in populations with shorter average tongue lengths spend more time visiting other flowers than visiting Zaluzianskya flowers.
• C) A study of available flowers in the population with the longest average tongue length reveals that no other nectar sources besides Zaluzianskya are available.
• D) a and c
• E) b and c

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Definitions:

Increase

An increase refers to a situation where there is a growth or rise in a particular quantity or measure, such as an increase in temperature or population.

Zeitgebers

Environmental cues like light and temperature that regulate the biological clock of organisms, influencing sleep and wakefulness cycles.

Sunrise

The time of day when the upper limb of the Sun appears on the horizon in the morning.

Sunset

The time in the evening when the sun disappears below the horizon, marking the transition from day to night.