#Question id: 11161
#Unit 9. Diversity of Life Forms
The lakes of northern Minnesota are home to many similar species of damselflies of the genus Enallagma that have apparently undergone speciation from ancestral stock since the last glacial retreat about 10,000 years ago. Sequencing which of the following would probably be most useful in sorting out evolutionary relationships among these closely related species?
#Question id: 11162
#Unit 9. Diversity of Life Forms
Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of homology?
#Question id: 11163
#Unit 9. Diversity of Life Forms
The reason that paralogous genes can diverge from each other within the same gene pool, whereas orthologous genes diverge only after gene pools are isolated from each other, is that
#Question id: 11227
#Unit 9. Diversity of Life Forms
Mycoplasmas are bacteria that lack cell walls. Based on this structural feature, which statement concerning mycoplasmas should be true.
#Question id: 11228
#Unit 9. Diversity of Life Forms
Though plants, fungi, and prokaryotes all have cell walls, we place them in different taxa. Which of these observations comes closest to explaining the basis for placing these organisms in different taxa, well before relevant data from molecular systematics became available?
#Question id: 11229
#Unit 9. Diversity of Life Forms
Which is the bacterial structure that acts as a selective barrier, allowing nutrients to enter the cell and wastes to leave the cell.