Species A and B have long wings, whereas species C has short wings. Which of the following pieces of evidence would best support the hypothesis that long wings are a synapomorphy? A.DNA evidence showing that species B and C are sister species B.Fossil evidence showing that the common ancestor of species A, B, and C had short wings C.DNA evidence showing that species A and C are sister species D.Fossil evidence showing that the common ancestor of species A, B, and C had long wings E.Evidence showing that species A and B live in an environment that favors long wings, whereas species C lives in an environment that favors short wings

Experimental evolutionary evidence always tells us the derivation of descendants from the ancestors. In our problem, the two species A and B have long wings, but species C has short wings. Synapomorphy means is the direct link of a trait between the ancestor and descendants. Let's discuss the best evidence supporting the hypothesis that long wings are a synapomorphy.Our approach is to discuss all the options and find the correct one. So, DNA evidence is not a piece of correct evidence. As environmental changes affect genetic change. The mutations in the DNA change the nucleotide sequence. This evidence only tells the relation not the common ancestor. Fossil evidence is the only way to determine the ancestral species of many different species. The fossil evidence tells us the ancestor have short wings. So, the synapomorphy does not work in this case. The evidence quality is good but not our correct answer. Again, DNA evidence provides only the relationship between the two species, not tell the evolutionary journey of the species. For fulfillment of our synapomorphy, this is the correct choice. Fossil evidence is the key way to determine the ancestor species. In this evidence, it is found that the ancestor has long wings. So, species C is adapted according to the environment and mutated the genes so that it has short wings. The environmental condition just tells the interaction and adaptation features of any species in any particular area. it does not tell you the evolutionary journey.Hence, the correct answer is OPTION D.

Answered: Species A and B have long wings,…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter20: Speciation And Macroevolution

Section: Chapter Questions

Problem 6TYU: Which of the following evolutionary processes is associated with allopolyploidy? (a) gradualism (b)...

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Species A and B have long wings, whereas species C has short wings. Which of the following pieces of evidence would best support the hypothesis that long wings are a synapomorphy?

	A.	DNA evidence showing that species B and C are sister species
	B.	Fossil evidence showing that the common ancestor of species A, B, and C had short wings
	C.	DNA evidence showing that species A and C are sister species
	D.	Fossil evidence showing that the common ancestor of species A, B, and C had long wings
	E.	Evidence showing that species A and B live in an environment that favors long wings, whereas species C lives in an environment that favors short wings

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