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6. Which best explains the presence of these vestigial structures in snakes?
A. Snakes evolved from organisms with legs.
B. Snakes are developing legs for walking on land.
C. Snakes born with an extra set of DNA develop legs as they mature.
D. Snakes have only one copy of the allele for legs in their chromosomes.



Answer :

GinnyAnswer

Final answer:

Snakes' vestigial structures, like pelvic bones, result from their legged ancestors, showcasing evolutionary remnants.


Explanation:

Vestigial structures in snakes can be explained by the fact that they descended from ancestors with legs, leading to the presence of pelvic bones despite not having legs themselves. These structures are considered vestigial as they serve no apparent function in snakes but are remnants from their legged ancestors.


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