If two nonsister species on the phylogenetic tree above differ from the other two in a single character state (say dark or light fur), denote any possible evolutionary changes by placing an X—or Xs—on the tree below

Be sure to label the X as a loss or gain.

What will be an ideal response?


ANS:
should show all four possible evolutionary events as in Figure 5.4 in the text

Biology & Microbiology

You might also like to view...

Which of the following cellular processes has/have been linked to cancer/tumor formation?

A) autophagy B) EGF desensitization C) caveolae uptake D) NMDA receptors E) both choices A and B

Biology & Microbiology

The physical location in which an organism lives is termed its

A. community. B. habitat. C. ecosystem. D. range. E. home boundary.

Biology & Microbiology

Which cell is NOT haploid?

a. polar bodies b. primary oocyte c. secondary spermatocyte d. spermatids e. sperm

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. All other levels of protein structure are dictated by the primary structure. 2. A nucleotide is a polymer of nucleic acids. 3. Every form of life is either a single cell or is composed of cells.

Biology & Microbiology