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TLS Online TPP Program

#Question id: 8704

To apply the principle of maximum parsimony to construction of a phylogenetic tree, ________.

#Unit 9. Diversity of Life Forms
  1. choose the tree that assumes all evolutionary changes are equally probable
  2. choose the tree in which the branch points are based on as many shared derived characters as possible
  3. choose the tree that represents the fewest evolutionary changes, either in DNA sequences or morphology
  4. choose the tree with the fewest branch points
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TLS Online TPP Program

#Question id: 8845

#Unit 9. Diversity of Life Forms

The experimental approach taken in current biological investigations presumes that
TLS Online TPP Program

#Question id: 8846

#Unit 9. Diversity of Life Forms

Why are hydrocarbons insoluble in water?
TLS Online TPP Program

#Question id: 8847

#Unit 9. Diversity of Life Forms

A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?
TLS Online TPP Program

#Question id: 8848

#Unit 9. Diversity of Life Forms

A carbon skeleton is covalently bonded to both an amino group and a carboxyl group. When placed in water it
TLS Online TPP Program

#Question id: 8849

#Unit 9. Diversity of Life Forms

Humans can digest starch but not cellulose because
TLS Online TPP Program

#Question id: 8850

#Unit 9. Diversity of Life Forms

Whatever its ultimate cause(s), the Cambrian explosion is a prime example of