Which of the Following Statements Regarding Rooted Trees Is (Are)true

question 10

Multiple Choice

Which of the following statements regarding rooted trees is (are) true?

• A)We can form a rooted tree from an unrooted tree simply by picking a branch around which to root the tree.
• B)Both rooted and unrooted trees inform us about the polarity of character change.
• C)Knowing the root of a tree, along with information about species ranges, can tell us about the phylogeography of a group of species.
• D)A and C
• E)B and C

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Definitions:

Node of Ranvier

Gaps in the myelin sheath of a nerve fiber that facilitate rapid conduction of nerve impulses.

Circular Pathway

A type of route or process that loops back to its starting point or proceeds in a circular fashion.

Neurons

Specialized cells in the nervous system that transmit information to other nerve cells, muscle, or gland cells.

Temporal Circuits

Neural pathways and networks in the brain that are involved in the processing of temporal information, including timing and sequence recognition.