Some Beetles and Flies Have Antler-Like Structures on Their Heads

question 40

Multiple Choice

Some beetles and flies have antler-like structures on their heads, much like male deer do. The existence of antlers in beetle, fly, and deer species with strong male-male competition is an example of ________.

• A) convergent evolution
• B) a synapomorphy
• C) homology
• D) parsimony

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Definitions:

Hypertension

A chronic medical condition in which the blood pressure in the arteries is persistently elevated.

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Body Mass Index, a measure of body fat based on height and weight that applies to adult men and women.

Concrete Operational Stage

A stage in Piaget's theory of cognitive development, occurring roughly between the ages of 7 and 12, where children gain a better understanding of logical operations and are no longer fooled by appearances.

Hypothetical Thinking

The capacity to consider possibilities, scenarios, or outcomes that are not based upon actual events or experiences.