A phylogenetic tree constructed using sequence differences in mitochondrial DNA would be most valid for discerning the evolutionary relatedness of _____
A) archaeans and bacteria
B) fungi and animals
C) chimpanzees and humans
D) sharks and dolphins
C
You might also like to view...
Steroid hormones are nonpolar molecules derived from cholesterol
a. True b. False
Which statement best summarizes the results of the experiment by Damschen and her colleagues on the effect of
landscape corridors on species richness?
a. Habitat patches with landscape corridors are at higher risk of encroachment by exotic species than are isolated habitat patches. b. Over time, the number of native species harbored by habitat patches with landscape corridors was increasingly greater than in isolated habitat patches. c. The number of both native and exotic species increased over time in habitat patches that were connected by landscape corridors. d. The number of native species increased over time in isolated habitat patches but not in those connected by corridors. e. The number of exotic and native species decreased in patches connected by landscape corridors.
Dolly, the cloned sheep, had telomeres that:a
were unusually short. b. were unusually long. c. became longer with each cell division d. did not change in length e. were perfectly normal
Secondary succession occurs ____
a. after a fire b. on a new sand dune c. on bare rock d. immediately after the formation of a man-made lake e. on a newly-formed volcanic island