Question Detail

ZOO 102 Practice Questions ZOO 102 3 Objective Question
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Question

4. In a phylogenetic tree, the root represents
Options
A A single present-day species
B The common ancestor to all species within the tree
Correct Answer
C An artificial outgroup only
D A taxonomic error
Correct Answer

Option B is the correct answer.

Detailed Explanation

The root at the base of a rooted phylogenetic tree symbolizes the ancestral lineage from which all descendant taxa in the tree originated.

Hint

The single ancestral point from which all branches originate.

Question Info

Course: ZOO 102
Topic: Practice Questions ZOO 102 3
Type: Objective
Difficulty: Not specified
Question 424 of 737
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