Which of the following is NOT a principle used when constructing cladograms?
A. All species or higher taxa are placed on tips in a phylogenetic tree.
B. All species or higher taxa are placed on nodes in a phylogenetic tree.
C. Each cladogram branch point should have one or more shared derived characters that are common to all species above the branch point, unless the character is later modified.
D. All shared derived characters appear together only once in a cladogram unless they arose independently during evolution more than once.
B. All species or higher taxa are placed on nodes in a phylogenetic tree.
You might also like to view...
The toxin implicated in C. perfringens toxicity is
A. tetanospasmin. B. exoenzyme S. C. alpha-toxin. D. endoenzyme T.
In the absence of O2, the partial metabolism of glucose in human muscles produces _____
a. acetaldehyde b. carbon dioxide c. energy d. lactic acid e. oxygen
When an amino acid is converted to a keto acid, it
A. gains nitrogen. B. becomes a fatty acid. C. loses nitrogen. D. becomes a pyruvic acid.
What would you predict about a reaction that has a ?G < 0?
A. The reaction will yield energy and is spontaneous. B. The reaction will require energy. C. The reaction will require energy and is spontaneous. D. The reaction will yield energy. E. The reaction is spontaneous.