Which of the Following Is TRUE of All Horizontally Oriented

question 30

Multiple Choice

Which of the following is TRUE of all horizontally oriented phylogenetic trees, where time advances to the right?

• A) Each branch point represents a point in absolute time.
• B) Organisms represented at the base of such trees are descendants of those represented at higher levels.
• C) The fewer branch points that occur between two taxa, the more divergent their DNA sequences should be.
• D) The common ancestor represented by a branch point farther right existed more recently in time than the common ancestors represented at branch points located farther to the left.
• E) The more branch points there are, the fewer taxa are likely to be represented.