Some Species of Drosophila Have Elaborate "Picture Wings," Whereas Most

question 128

Multiple Choice

Some species of Drosophila have elaborate "picture wings," whereas most others do not.Which type of evidence would most likely suggest that the elaborate picture wings evolved via convergent evolution?

• A) All species with picture wings form a single clade.
• B) Picture wings are found in different clades of flies.
• C) Flies with picture wings evolve faster than those without picture wings.
• D) Having elaborate picture wings is the ancestral state.
• E) Species of flies with picture wings evolve in accordance with the molecular clock.

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Definitions:

Keratinocytes

The main type of cell found in the epidermis, responsible for the formation of keratin, a protein that gives skin its strength and flexibility.

Fibrous Protein

Proteins that are elongated and insoluble, providing structural support and tensile strength to tissues, such as collagen and keratin.

UV Rays

Short for ultraviolet rays, a type of electromagnetic radiation from the sun that can cause skin damage and cancer.

Melanocytes

Cells located in the skin that produce melanin, the pigment responsible for skin color and protection against UV radiation.