#Question id: 8293
#Section 2: Evolution
The importance of computers and of computer software to modern systematics s is most closely linked to advances in ________.
#Question id: 8294
#Section 2: Evolution
The common ancestors of birds and mammals were very early (stem) reptiles, which almost certainly possessed three-chambered hearts (two atria, one ventricle). Birds and mammals, however, are alike in having four-chambered hearts (two atria, two ventricles). The fourchambered hearts of birds and mammals are best described as ________.
#Question id: 8295
#Section 2: Evolution
Imagine that a phylogeny was developed for a group of mammals based on bone structure. Which of the following statements would be a reasonable prediction about a phylogeny for the same group of species based on similarities and differences in the structure of a particular enzyme?
#Question id: 8691
#Section 2: Evolution
Use the following information to answer the question.
Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?
#Question id: 8689
#Section 2: Evolution
Which of the following statements best describes the rationale for applying the principle of maximum parsimony in constructing phylogenetic trees?
#Question id: 8687
#Section 2: Evolution
Your professor wants you to construct a phylogenetic tree of orchids. She gives you tissue from seven orchid species and one lily. What is the most likely reason she gave you the lily?